
How to write JavaScript editor used in the course and resources for lessons
Resources for writing code and for the upcoming lessons.
Code editor used in the course
Browser Used in the course is Chrome - DevTools
Chrome DevTools is a set of web developer tools built directly into the Google Chrome browser. DevTools can help you edit pages on-the-fly and diagnose problems quickly, which ultimately helps you build better websites, faster.
Open DevTools
There are many ways to open DevTools, because different users want quick access to different parts of the DevTools UI.
When you want to work with the DOM or CSS, right-click an element on the page and select Inspect to jump into the Elements panel. Or press Command+Option+C (Mac) or Control+Shift+C (Windows, Linux, Chrome OS).
When you want to see logged messages or run JavaScript, press Command+Option+J (Mac) or Control+Shift+J (Windows, Linux, Chrome OS) to jump straight into the Console panel.
Lesson Challenge
1. Use QuerySelector to select page element
2. Overview of Editor and browser devtools
3. Select textContent of element
4. Update textContent of Element
5. Try multiple ways of element selection.
How to select all matching page elements with JavaScript QuerySelectorAll
DOM examples and how the DOM relates to JavaScript Code. Mini JavaScript Object with nested objects to illustrate a simple example of the DOM element tree. Update and selection of page elements using querySelector and querySelectorAll to select web page elements and update the value of the object. Select the element and manipulate the contents with textContent property value.
Lesson Challenge
1. Create a JavaScript object that simulates the DOM of page elements
2. Try console.dir(document) locate the elements within the object
3. Go to any web page - update the body contents with Hello World
4. Select and return multiple elements into a nodelist, update the count of elements along with the textContent of the element.
Web Page Element Style Attribute Update with JavaScript
Page element style values within style property of the element. Select an element and update the style values, get and set Attributes of the page element.
Lesson Challenge
1. Select the Element - update HTML of element with innerHTML property value
2. Update color and background color of selected element
3. Apply various styling values to the style attribute with JavaScript
4. List out available style properties and try
Attributes ClassList Add Remove Toggle Contains within class of page element
Explore how to select and update the element attributes, add new attributes and get contents of existing attributes. Useful classlist methods to toggle existing class, add and remove classes and check if the class exists on an element returning boolean value.
Lesson Challenge
1. Select element using classList add a class to the element
2. remove a class from the element
3. Toggle a class on the element
4. Get Attribute from element and Set Attribute for element
5. Get id with dot notation and set id with dot notation
6. Update all hyperlinks to add target blank attribute
7. Check if the element contains a class.
Add HTML to Page with JavaScript Code innerHTML property of web page elements.
Select a page element with JavaScript - create page elements with loop from JavaScript to create multiple elements on the page. Add HTML to the page elements with innerHTML property value. Setting hyperlink attribute to have target blank, selecting all hyperlinks on page. Creating images with img elements as html code for page. Generate a random color with JavaScript string method. Lesson also includes a challenge to add html to a parent element and then select the new elements with JavaScript.
Lesson Challenge
1. Select element to update
2. Create loop adding to the HTML of hyperlinks
3. Use querySelectorAll to select page hyperlinks and add target attribute
4. Create images tags with JavaScript - Select all images on the page and if the src if null then add images to the src path
5. Generate random colors for the images.
6. Challenge : Lesson challenge to add html to parent element
JavaScript to Create new page elements and Remove Elements
Use of createElement method to generate new page elements with JavaScript Code. Append Prepend AppendChild to parent Element methods of adding page elements to page. JavaScript insertBefore to add within an element and get the callback value. Coding Challenge to create multiple image elements adding images and properties with JavaScript Code.
Lesson Challenge
1. Create elements using createElement method
2. Append Prepend AppendChild to parent Element
3. Try insertBefore to add within an element and get the callback value.
4. Challenge create multiple images adding them to the page select img objects update the properties.
JavaScript Traversing the DOM parents siblings children of elements.
Navigate the DOM tree, select a starting element and move to its related elements with JavaScript Code. Select element parent object, get list of elements children and child nodes. Select an element get the first last and siblings related to the current element. Move to the next element and update the element.
Lesson Challenge
1. Select element to start with
2. Get the element Parent element
3. Get the element children
4. Get the element siblings
5. Update related element to the selected one
Click Events and Event Listeners with JavaScript
Create interactive page elements that can be clicked to run blocks of code. User actions to trigger code blocks with JavaScript. How to setup click only once, addEventListeners and removeEventListeners. Create custom object property values. Update elements dynamically with code.
Lesson Challenge
1. Adding Event Listener for clicks on elements
2. How to add eventlisteners to an element and list of elements
3. Allow for only one click on the element
4. Add and remove click events
5. Set object custom value like counter
6. Customize properties of element on click
7. Dynamically add elements that are clickable to page.
How to add Mouse Event Listeners with JavaScript code.
Common mouse events to page elements, on mouse over movement and other actions. Create events with mouse actions and how to track the events, what the difference is between mouse over and mouse out.
Lesson Challenge
1. Add Mouse event on element.
2. Run code when mouse move, out, enter and over events occurs
3. Update element properties on event
Events Listeners Keyboard Events with JavaScript Code
Track keyboard events, get key values and how events can be attached to input fields. Focus and Blur on input fields running events and JavaScript Code. Keyup and KeyDown events tracking arrow presses on keyboard.
Lesson Challenge
1. Create input fields
2. Add focus blur and change events to input elements
3. Listen for press of enter key
4. Key up and down on element and on document.
5. Update page elements on key press.
How to Move an Element with Arrow presses on Keyboard using JavaScript
Coding exercise with JavaScript and keyboard events. Track arrow key presses and update the element position on the page. Key press to move element on screen using JavaScript.
Lesson Challenge
1. Create an Element
2. Add Event Listener for keyboard event
3. Check the key with a condition and update x,y values if arrow keys are pressed
4. Create a new element when click that will move
How to create smooth movement of page elements Animation Frame
Update to coding challenge to move page elements, adding animation frame for smooth motion of page elements on keyboard arrow clicks. Press arrow keys and move the element up down left and right with JavaScript Code.
Lesson Challenge
1. Adding RequestAnimationFrame for smooth animation
2. Use of getBoundingClientRect to get boundaries of element rectangle.
3. Update of element position if keys are pressed.
JavaScript Element Clicker Game CSS grid JavaScript Dynamic Grid
Objective of this section is to create a dynamic fully responsive Game Grid - that can be interacted with and updated using javaScript. Game with dynamic Fully responsive Grid using JavaScript and CSS Grid.
JavaScript Game Clicker Project Introduction
Introduce the JavaScript Game created in the upcoming lessons. Set the game and demo the final game project.
Setup of HTML Web Page and JavaScript Code
Setup of page structure for the JavaScript Game. Using HTML and setup CSS to prep for Dynamic Elements with JavaScript.
Lesson Challenge
1. Setup Files Index and JS files
2. check to ensure files are working - view in the browser
3. Update files check the output.
Create a Responsive Dynamic Grid using JavaScript.
Use JavaScript to generate a grid that is fully responsive and ready for gameplay elements. Create main container element and grid items.
Lesson Challenge
1. Add CSS styling for CSS Grid Containers
2. Create Global Variable for rows and column numbers
3. Setup init function to launch on DOM load
4. Create new main parent container for game area
5. Create function to construct elements
6. Build Grid with loops iterating the number of rows and columns setting the CSS Grid style attributes
7. Create Elements within the grid
8. Test resize and update rows and column values
WebPage Elements into Array with JavaScript
As you create the elements with JavaScript track them into a Global Array that can be used to easily select the elements and create interactions. This can be used to select elements by index value.
Lesson Challenge
1. Add Class to Toggle add remove with JavaScript
2. Add all created grid items into an array
3. Setup AnimationFrame to run
4. Add and remove class randomly
5. Setup Parameters for game play
6. Add setTimeout to remove added class to element after random time
Add Event Listeners make Elements Clickable
Create interactions with page elements and user. Click elements and track click events on elements with JavaScript.
Lesson Challenge
1. Add button to stop and start gameplay
2. test the game values - update code as needed to remove any issues
3. Ensure that new placement of element does not have existing active class already, if it does place active on other available element.
4. Clean up code to avoid repeat coding, create functions to perform and run blocks of code.
JavaScript Code updates tweaks for counters
Update the element counters removing the timeout function call and adding counters on each element object. Add variables to elements using JavaScript.
Lesson Challenge
1. Update element objects to add a counter for each element.
2. Activate the countdown on setting the active class
3. Add conditions to track countdown remove the active class set the counter on click and countdown zero value
4. Test new functionality with stop and start button
JavaScript Game Scoring and GamePlay Updates improvements
Adding more gameplay - with scoring and better visuals for the player. Use JavaScript to update hits and misses counter and display to the player. Add game difficulty option to increase play dynamically adjusting the game with changes in the main global parameters.
Lesson Challenge
1. Add scoring - hits vs misses
2. Track miss clicks and missed items that are removed
3. Track hits on elements
4. Add game parameters to make the game harder and easier range 1-5 1 Hardest and 5 easiest
5. Play the game update and tweak as needed.
JavaScript Game Clickers Code Review
High level overview of game code and the functions used to create the JavaScript game. Updated and options for gameplay. Full code review of JavaScript Game.
JavaScript Slot Machine coding project Dynamic Interactive JavaScript DOM project
Explore how you can create elements have user interactions and trigger visual events making your web pages come to life.
1 Project Setup create HTML and JavaScript files
Setup html file prep to add JavaScript coding. Create HTML game container element, link to JavaScript source files. Select main output element using JavaScript.
2 JavaScript SlotMachine create interactive Button. Setup of HTML Web Page and JavaScript Code
Select main container element, add button for interaction. Allow user to toggle button content and select and invoke function on button click action. Setup of core Global Game properties to make the application dynamically adjust with new game object values. Append elements to the page with JavaScript. Create elements with JavaScript. Add event listeners to elements with JavaScript.
Lesson Challenge
1. Create elements to contain game content, information element, button for interaction and main content element
2. Add event listener to the button for the user to press
3. Toggle button content invoke function on button click
3 Create Game Elements JavaScript Apply CSS
Add and update the toggle of the clickable button element. Invoke a JavaScript function on click. Use of DOMContentLoaded event to build game board once the DOM is loaded and ready to use. Get document body properties to use values within the JavaScript code document.body.clientWidth. Create element maker function to generate elements within the JavaScript code, add and append new element to the parent, add a class, element tag, and html content within the element.
Lesson Challenge
1. Create and launch game board makers when DOM is loaded
2. Create function to handle making elements for the page
3. Apply styling to elements to center and position on the page
4 Update CSS styling to set dynamically created elements on page
Adding CSS to position elements, set widths and heights to set the content on the page by applying classes with JavaScript to the newly created page elements.
Lesson Challenge
1. Update CSS to apply positioning of page elements
2. Update game object values to ensure they work with updated and applied styling, adjust JavaScript if needed.
3. Apply styling and test the code.
5 JavaScript adding animation frame to create smooth movement of elements.
The window.requestAnimationFrame() method tells the browser that you wish to perform an animation and requests that the browser calls a specified function to update an animation before the next repaint. The method takes a callback as an argument to be invoked before the repaint. Add animation frames that can be added and removed with a global object.
Lesson Challenge
1. Add animation frame
2. Interaction with button to stop and start animation frames with JavaScript
JavaScript Game Movement debugging and Fixes
JavaScript Game movement and debugging. How to troubleshoot your JavaScript game application and how to create and optimize gameplay. Update the game area styling with CSS. Adding and removing classes from JavaScript objects. Game playthrough and updates in element positions, style properties done with JavaScript.
Lesson Challenge
1. Add user message information
2. test movement update to have a better final position.
3 Add styling as needed.
8 Movement and Game Results Setting Conditions for win JavaScript
Final spin results and retrieving the values of the output results. Comparison functions and setting up win conditions for JavaScript Game Object. JavaScript Game movement and debugging. How to troubleshoot your JavaScript game application and how to create and optimize gameplay. Update the game area styling with CSS. Adding and removing classes from JavaScript objects. Game playthrough and updates in element positions, style properties done with JavaScript.
Lesson Challenge
1. Collect the output values and position of the final spin results into an array
2. update and compare final spin result to prepare for comparisons on results.
9 JavaScript Slot Machine Win Conditions and payout for matches
How to create a final tally object that can be used to calculate the final results for the player. Track matches and number of occurrences to be able to apply calculations on win.
Final spin results and retrieving the values of the output results. Comparison functions and setting up win conditions for JavaScript Game Object. JavaScript Game movement and debugging. How to troubleshoot your JavaScript game application and how to create and optimize gameplay. Update the game area styling with CSS. Adding and removing classes from JavaScript objects. Game playthrough and updates in element positions, style properties done with JavaScript.
Lesson Challenge
1. Calculate the payout - using the number of matches and the value of the match
2. Create a function that can track the values and has conditions to adjust the payout value accordingly
10 JavaScript Slot Machine Final Code Tweaks and Updates
Improvement of visuals, testing of game play to ensure proper functionality. Update to the global game object values to test dynamic content and game play. Adding of icons for more appealing game visuals, use fo colors to add more appeal to game play.
Icons to select to easily add images to the projects
https://fontawesome.com/icons?d=gallery
CDN to bring JavaScript Code for FontAwesome into project
https://cdnjs.com/libraries/font-awesome
Google Fonts select from over 1000 fonts
https://fonts.google.com/
Lesson Challenge
1. Improve visuals for project adding icons and fonts
2. Make CSS adjustments to position elements and information
3. Test and ensure the application is working
JavaScript DOM frogger game element classes
Practice updating and manipulating web page elements while creating a fun interactive game using JavaScript and the DOM. All gameplay is DOM based and can be used and reused to get more familiar with how the DOM works and how you can create interactive and dynamic Web Pages.
JavaScript Game Setup Add Elements and create core files. Info setup index and files
Prepare and plan main elements for gameplay. Setup CSS and use of querySelector to select Game Play Area element.
Lesson Challenge
1. Setup index css and js files
2. Use DOMContentLoaded to invoke a starting function
3. Create global game object for values shared to construct and run the game.
How to Create a Dynamic Element Grid JavaScript CSS Game Grid
Using JavaScript to generate elements grid using CSS grid. Add Rows and Columns to the dynamic fully responsive game grid. Setup of game board and game play area.
Lesson Challenge
1. Create element maker function
2. generate elements for game grid
3. use of CSS Grid to create responsive game grid
4. Create game board add to game board array.
How to move element class with Keyboard events Arrow Keys move element JavaScript Example
Add movement to the game character with event listeners. Listen for arrow key presses and track user actions to player element on the screen. Move class of main character across board.
Lesson Challenge
1. Add class for frog
2. add animation frame for movement
3. Add event listener for keyboard arrow key presses
4. Update active cell according to key presses adding and remove frog class
5. test and ensure you can move the element class with your keyboard.
Player Movement with JavaScript Smooth movement animations
Adding smooth movement and animation frame in JavaScript. Animation frames to call functions creating animations of elements on the web page. User keyboard clicks to element page movement.
Lesson Challenge
1. Apply conditions for movement to next cell
2. Test and ensure the movement scales to more and less rows and columns
JavaScript Game Objects Background Design adding colors
Update and build JavaScript Frogger gameboard. Add roads and water classes to elements. Check if the frogger is on the safe final block. Use of classList to check which element contains specific classes needed for JavaScript Game.
Lesson Challenge
1. Create CSS classes for game elements
2. Create final goal cell
3. Apply check if active index cell contains the safe goal class
4. Add water and road background colors for game board.
5. As you create the gameboard apply the colors and classes.
JavaScript Game Obstacles added logs and cars
Add interactive items on JavaScript Gameboard. Create elements with classes added to represent the obstacles that will be moving. Create visuals for game play add elements that the player can interact with.
Lesson Challenge
1. Create random adding of game obstacles
2. Add classes to the elements
3. Apply the object info adding into a global array of obstacles
4. Place classes on the screen
JavaScript Game Object Movement of Classes motion and interaction
Selecting and updating classes in Game Animation. Creating gameplay and interactive obstacles that can move automatically on the screen. Update element classes and create motion of elements for the player within the JavaScript Frogger Game. Update game to have option for speed values to increase and decrease game speed.
Lesson Challenge
1. Within animation using add and remove classes in sequence
2. Create counter to slow and speed up gameplay
3. Toggle direction of movement for alternating directions on rows
JavaScript Frogger GamePlay Fixes Updates
Play the game and test to debug. Create and catch areas to improve the gameplay and increase game functionality. Use of classlist to detect classes on elements. Setup to start and stop gameplay for game debugging and help with game calculations.
Lesson Challenge
1. Check if classlist contains object
2. add tools for debugging the game
3. Update code to stop and start the gameplay to add calculations
4. Add hazards to stop the game
Frogger Game Debugging with JavaScript and game updates
Play and check of game conditions, apply game logic to help move player through game. Add movement of frogger on log update of key presses for more responsive key actions and tracking of key events.
Lesson Challenge
1. Play and debug the game
2. Update key press to respond better
3. Add movement of frog on log
4. Create functions to handle stop and start of gameplay
Game Play Design and Improvements
Adding images to increase game play appeal. Update with CSS and JavaScript code. Game testing and debugging methods. Adding visual to game, adjustment of global game values to dynamically change gameplay.
Lesson Challenge
1. Update background images CSS as needed
2. Try game test and debug as needed
3. Add Visuals to game adjust global values
Complete JavaScript Frogger Game Code Review
Overview of coding and game design points.
Learn JavaScript DOM - This JavaScript Course will provide Java Script Essentials so that you can explore and learn more about JS JavaScript. Complete JavaScript course covers ES6 and modern JavaScript coding.
Bring your web pages to life with JavaScript - access the browser document object - select and update the elements on the page!
Learn more about how to create dynamic web pages - connect with the DOM -> Update and manipulate page elements
Covering the common methods and properties that JavaScript uses to select elements from the web page and apply changes with code. Fine tune your JavaScript Skills while creating fun interactive projects.
- Challenges at the end of each lesson.
- Modern JavaScript coding and examples
- PDF resource and code guides in every section
- Examples and how to apply logic to create the interactions you want
- practice and learn more about the DOM while creating fun games
- Unique projects to grow your skills - you won't find these anywhere else!!!
- Content professionally designed to help focus your learning improve your skills
- Add and expand your portfolio
Source code is included - step by step learning on how to apply JavaScript to make thing happen
JavaScript and the DOM - learning objectives to get you coding!!!
Professional instructor with over 20 years of JavaScript experience ready to help you learn and answer any questions you have.
Covering the core code examples to interact with the DOM +++++ 3 AWESOME JAVASCRIPT DOM PROJECTS
Build an interactive game - generate a responsive grid with JavaScript and CSS Grid.
JavaScript Slot machine with real element movement and tracking of element values. Build with dynamic global game object that you can adjust to change the game dynamics
JavaScript DOM Frogger game - Classes and how to track classes, update and check if element contain classes. Logic for gameplay and how to create complete game from start to finish. Game Grid and design.
The Document Object Model (DOM) connects web pages to scripts or programming languages by representing the structure of a document—such as the HTML representing a web page—in memory.
The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects. DOM methods allow programmatic access to the tree. With them, you can change the document's structure, style, or content.
Complete Introduction to the DOM and how to access page elements with JavaScript Code
How to write JavaScript editor used in the course and resources for lessons. Resources for writing code and for the upcoming lessons. Code editor used in the course
How to select all matching page elements with JavaScript QuerySelectorAll. DOM examples and how the DOM relates to JavaScript Code. Mini JavaScript Object with nested objects to illustrate a simple example of the DOM element tree. Update and selection of page elements using querySelector and querySelectorAll to select web page elements and update the value of the object. Select the element and manipulate the contents with textContent property value.
Web Page Element Style Attribute Update with JavaScript. Page element style values within style property of the element. Select an element and update the style values, get and set Attributes of the page element.
Attributes ClassList Add Remove Toggle Contains within class of page element. Explore how to select and update the element attributes, add new attributes and get contents of existing attributes. Useful classlist methods to toggle existing class, add and remove classes and check if the class exists on an element returning boolean value.
Add HTML to Page with JavaScript Code innerHTML property of web page elements. Select a page element with JavaScript - create page elements with loop from JavaScript to create multiple elements on the page. Add HTML to the page elements with innerHTML property value. Setting hyperlink attribute to have target blank, selecting all hyperlinks on page. Creating images with img elements as html code for page. Generate a random color with JavaScript string method. Lesson also includes a challenge to add html to a parent element and then select the new elements with JavaScript.
JavaScript to Create new page elements and Remove Elements. Use of createElement method to generate new page elements with JavaScript Code. Append Prepend AppendChild to parent Element methods of adding page elements to page. JavaScript insertBefore to add within an element and get the callback value. Coding Challenge to create multiple image elements adding images and properties with JavaScript Code.
JavaScript Traversing the DOM parents siblings children of elements. Navigate the DOM tree, select a starting element and move to its related elements with JavaScript Code. Select element parent object, get list of elements children and child nodes. Select an element get the first last and siblings related to the current element. Move to the next element and update the element.
Click Events and Event Listeners with JavaScript. Create interactive page elements that can be clicked to run blocks of code. User actions to trigger code blocks with JavaScript. How to setup click only once, addEventListeners and removeEventListeners. Create custom object property values. Update elements dynamically with code.
How to add Mouse Event Listeners with JavaScript code. Common mouse events to page elements, on mouse over movement and other actions. Create events with mouse actions and how to track the events, what the difference is between mouse over and mouse out.
Events Listeners Keyboard Events with JavaScript Code. Track keyboard events, get key values and how events can be attached to input fields. Focus and Blur on input fields running events and JavaScript Code. Keyup and KeyDown events tracking arrow presses on keyboard.
How to Move an Element with Arrow presses on Keyboard using JavaScript. Coding exercise with JavaScript and keyboard events. Track arrow key presses and update the element position on the page. Key press to move element on screen using JavaScript.
JavaScript Element Clicker Game CSS grid JavaScript Dynamic Grid
Objective of this section is to create a dynamic fully responsive Game Grid - that can be interacted with and updated using javaScript. Game with dynamic Fully responsive Grid using JavaScript and CSS Grid.
JavaScript Game Clicker Project Introduction. Introduce the JavaScript Game created in the upcoming lessons. Set the game and demo the final game project.
Setup of HTML Web Page and JavaScript Code. Setup of page structure for the JavaScript Game. Using HTML and setup CSS to prep for Dynamic Elements with JavaScript.
Create a Responsive Dynamic Grid using JavaScript. Use JavaScript to generate a grid that is fully responsive and ready for gameplay elements. Create main container element and grid items.
WebPage Elements into Array with JavaScript. As you create the elements with JavaScript track them into a Global Array that can be used to easily select the elements and create interactions. This can be used to select elements by index value.
Add Event Listeners make Elements Clickable. Create interactions with page elements and user. Click elements and track click events on elements with JavaScript.
JavaScript Code updates tweaks for counters. Update the element counters removing the timeout function call and adding counters on each element object. Add variables to elements using JavaScript.
JavaScript Game Scoring and GamePlay Updates improvements. Adding more gameplay - with scoring and better visuals for the player. Use JavaScript to update hits and misses counter and display to the player. Add game difficulty option to increase play dynamically adjusting the game with changes in the main global parameters.
JavaScript Game Clickers Code Review. High level overview of game code and the functions used to create the JavaScript game. Updated and options for gameplay. Full code review of JavaScript Game.
JavaScript Slot Machine coding project Dynamic Interactive JavaScript DOM project
Explore how you can create elements have user interactions and trigger visual events making your web pages come to life.
Project Setup create HTML and JavaScript files. Setup html file prep to add JavaScript coding. Create HTML game container element, link to JavaScript source files. Select main output element using JavaScript.
Project Setup create HTML and JavaScript files. Setup html file prep to add JavaScript coding. Create HTML game container element, link to JavaScript source files. Select main output element using JavaScript.
JavaScript SlotMachine create interactive Button. Setup of HTML Web Page and JavaScript Code. Select main container element, add button for interaction. Allow user to toggle button content and select and invoke function on button click action. Setup of core Global Game properties to make the application dynamically adjust with new game object values. Append elements to the page with JavaScript. Create elements with JavaScript. Add event listeners to elements with JavaScript.
Create Game Elements JavaScript Apply CSS. Add and update the toggle of the clickable button element. Invoke a JavaScript function on click. Use of DOMContentLoaded event to build game board once the DOM is loaded and ready to use. Get document body properties to use values within the JavaScript code document.body.clientWidth. Create element maker function to generate elements within the JavaScript code, add and append new element to the parent, add a class, element tag, and html content within the element.
Update CSS styling to set dynamically created elements on page. Adding CSS to position elements, set widths and heights to set the content on the page by applying classes with JavaScript to the newly created page elements.
JavaScript adding animation frame to create smooth movement of elements. The window.requestAnimationFrame() method tells the browser that you wish to perform an animation and requests that the browser calls a specified function to update an animation before the next repaint. The method takes a callback as an argument to be invoked before the repaint. Add animation frames that can be added and removed with a global object.
Movement of Slot Wheels with JavaScript Page element style updates. Update the position of the element on the page, move the elements restack the order of elements within a parent element. Getting element property values to use within the code to update position. offsetTop with JavaScript. Conditions and calculations to manipulate element style positions top and left to create animation of elements with JavaScript code.
JavaScript Game Movement debugging and Fixes. JavaScript Game movement and debugging. How to troubleshoot your JavaScript game application and how to create and optimize gameplay. Update the game area styling with CSS. Adding and removing classes from JavaScript objects. Game playthrough and updates in element positions, style properties done with JavaScript.
Movement and Game Results Setting Conditions for win JavaScript. Final spin results and retrieving the values of the output results. Comparison functions and setting up win conditions for JavaScript Game Object. JavaScript
JavaScript Slot Machine Win Conditions and payout for matches. How to create a final tally object that can be used to calculate the final results for the player. Track matches and number of occurrences to be able to apply calculations on win.
JavaScript Slot Machine Final Code Tweaks and Updates. Improvement of visuals, testing of game play to ensure proper functionality. Update to the global game object values to test dynamic content and game play. Adding of icons for more appealing game visuals, use fo colors to add more appeal to game play.
JavaScript DOM frogger game Project
Practice updating and manipulating web page elements while creating a fun interactive game using JavaScript and the DOM. All gameplay is DOM based and can be used and reused to get more familiar with how the DOM works and how you can create interactive and dynamic Web Pages.
JavaScript Game Setup Add Elements and create core files. Info setup index and files. Prepare and plan main elements for gameplay. Setup CSS and use of querySelector to select Game Play Area element.
How to Create a Dynamic Element Grid JavaScript CSS Game Grid. Using JavaScript to generate elements grid using CSS grid. Add Rows and Columns to the dynamic fully responsive game grid. Setup of game board and game play area.
How to move element class with Keyboard events Arrow Keys move element JavaScript Example. Add movement to the game character with event listeners. Listen for arrow key presses and track user actions to player element on the screen. Move class of main character across board.
Player Movement with JavaScript Smooth movement animations. Adding smooth movement and animation frame in JavaScript. Animation frames to call functions creating animations of elements on the web page. User keyboard clicks to element page movement.
JavaScript Game Objects Background Design adding colors. Update and build JavaScript Frogger gameboard. Add roads and water classes to elements. Check if the frogger is on the safe final block. Use of classList to check which element contains specific classes needed for JavaScript Game
JavaScript Game Obstacles added logs and cars. Add interactive items on JavaScript Gameboard. Create elements with classes added to represent the obstacles that will be moving. Create visuals for game play add elements that the player can interact with.
JavaScript Game Object Movement of Classes motion and interaction. Selecting and updating classes in Game Animation. Creating gameplay and interactive obstacles that can move automatically on the screen. Update element classes and create motion of elements for the player within the JavaScript Frogger Game. Update game to have option for speed values to increase and decrease game speed.
JavaScript Frogger GamePlay Fixes Updates. Play the game and test to debug. Create and catch areas to improve the gameplay and increase game functionality. Use of classlist to detect classes on elements. Setup to start and stop gameplay for game debugging and help with game calculations.
Frogger Game Debugging with JavaScript and game updates. Play and check of game conditions, apply game logic to help move player through game. Add movement of frogger on log update of key presses for more responsive key actions and tracking of key events.
JavaScript Game Play Design and Improvements add images and graphics. Adding images to increase game play appeal. Update with CSS and JavaScript code. Game testing and debugging methods. Adding visual to game, adjustment of global game values to dynamically change gameplay.
Complete JavaScript Frogger Game Code Review. Overview of coding and game design points.