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JavaScript manipulation of the DOM Document Object Model
Rating: 4.1 out of 5(158 ratings)
7,004 students

JavaScript manipulation of the DOM Document Object Model

Access HTML elements using JavaScript make updates, set up event listeners and create new HTML elements.
Created byLaurence Svekis
Last updated 1/2022
English

What you'll learn

  • Create Dynamic interaction on webpages
  • Update HTML elements
  • Manipulate Element Styling
  • Add event triggers.

Course content

2 sections • 23 lectures • 1h 54m total length

  • Introduction to working with JavaScript and the DOM2:54

    Learn to manipulate the document object model with JavaScript to create dynamic, interactive web pages. Select elements, represent them as objects, and update content in real time.

  • How the DOM works Windows Object6:46

    Explore how the DOM, powered by the window and document objects, becomes accessible to JavaScript. Learn how script placement and window load events reveal body content and enable dynamic interactions.

  • JavaScript DOM Document Object Model5:50

    Explore the document object model (DOM) and its integration with HTML and JavaScript, learn how to access, inspect, and manipulate page elements using dev tools and console.

  • JavaScript getElementById6:56
  • JavaScript DOM select elements via Class and Tags6:34

    Learn how to select DOM elements in JavaScript using class, id, and tag name selectors with getElementsByClassName, getElementsByName, and getElementsByTagName, including handling HTML collections and dynamic element access.

  • JavaScript the Document Object data5:22
  • JavaScript Update Styling attributes using the DOM5:48

    Select an image by id, read and rewrite its src attribute, resize the image, and adjust a button’s background color using the DOM and style properties.

  • Source Code DOM0:16
  • JavaScript DOM onclick5:36

    Learn to create interactive web pages by selecting buttons with document.getElementById, updating styles (background color to yellow), and wiring onclick handlers to run functions that update content.

  • JavaScript Mouse Event Listeners7:32

    Explore how to use mouse event listeners on DOM elements to respond to hover and leave actions, inspect event object (type, coordinates, target), and update styling accordingly.

  • Source Code Events0:23
  • JavaScript addEventListener7:28

    Register an event listener with addEventListener on a target element to fire multiple handlers, and compare it to on click for cross-browser reliability while logging event information and updating output.

  • Source AddEventlistener0:22
  • JavaScript Queryselectorall mulitple elements event listeners7:17
  • JavaScript More Element Selection options6:03
  • Source Code Multiple Element selection0:25
  • JavaScript Creating New Elements6:27
  • Source Code Create Elements0:16
  • DOM and Form Create Form Validation13:01

    Learn to implement form validation in JavaScript by selecting the form by id, preventing default submission, validating name, email, and message, and showing results in a dedicated output div.

  • Source Code Form Validation0:31

Requirements

  • Desire to learn
  • Basic JavaScript HTML knowledge
  • Access to a computer

Description

JavaScript manipulation of the DOM - Start creating Dynamic and Interactive Content.  

Learning how to interact with the DOM, will get you started quickly with more interaction on your webpages.

The Document Object Model is a model of your HTML document represent within JavaScript as objects.

Elements are within the HTML page rendered out by the browser.  JavaScript engine in the browser then create representations of the elements as JavaScript Objects. Which in turn gives you the developer a whole lot to work with, the sky's the limit with what you can do at this point.  You can communicate with these objects using JavaScript and then manipulate them.  Any changes you make will be visible within the webpage itself.

Use JavaScript to select elements from your HTML code.   All the web page elements are represented within the DOM.  Document Object Model.  Learning to better utilize the DOM will allow you to create more advanced user interactions, and update the content dynamically.  

See how easy it is to select elements and make the interactive.

Select any element from within your HTML and bring it to life with JavaScript.   

From an instructor with over 15 years of real world web development experience, learn how to use the DOM for your web projects.

Every element is an element object, which contains details about the object.  The DOM is like a doorway to access all of this functionality that is already there.  JavaScript gives you the ability to open up that door and make amazing things happen on your website.

  • Selecting Elements from your HTML
  • Update the element HTML on the fly.  
  • Add event triggers.
  • Style your elements dynamically
  • Read and validate inputs

By the end of the course you will have the skills and know how to manipulate the DOM within you website.   

I am here to help you learn how to create your own websites and ready to answer any questions you may have.

JavaScript is the most in demand skills, and learning how to use JavaScript will help to separate you from the crowd.

Want to know more, what are you waiting for take the first step.  Join now to start learning how you too can create DYNAMIC and INTERACTIVE pages within your website today.

Who this course is for:

  • Anyone who wants to learn more about how the DOM works
  • JavaScript developers who want to learn about the DOM
  • HTML CSS JavaScript developers

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