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- Application programming
- Semantics of general programming
- The format of coding applications
- Application programming
- Web development knowledge
Strict mode helps out in a couple ways: It catches some common coding bloopers, throwing exceptions. It prevents, or throws errors, when relatively “unsafe” actions are taken (such as gaining access to the global object). It disables features that are confusing or poorly thought out.
A console refers to an interface through which users communicate with system programs of the operating system or with other console applications. The interactions consist of input operations from standard input device like keyboard and the text display on standard output (usually on computer screen).
In programming, a variable is a value that can change, depending on conditions or on information passed to the program. Typically, a program consists of instruction s that tell the computer what to do and data that the program uses when it is running.
The prompt() method displays a dialog box that prompts the visitor for input. A prompt box is often used if you want the user to input a value before entering a page. Note: When a prompt box pops up, the user will have to click either "OK" or "Cancel" to proceed after entering an input value.
In programming, a named section of a program that performs a specific task. In this sense, a function is a type of procedure or routine. Some programming languages make a distinction between a function, which returns a value, and a procedure, which performs some operation but does not return a value.
Arithmetic operators take numerical values (either literals or variables) as their operands and return a single numerical value. The standard arithmetic operators are addition (+), subtraction (-), multiplication (*), and division (/).
A bitwise operator is an operator used to performbitwise operations on bit patterns or binary numerals that involve the manipulation of individual bits. Bitwise operators are used in: Communication stacks where the individual bits in the header attached to the data signify important information.
In computer science, conditional statements, conditional expressions and conditional constructs are features of a programming language, which perform different computations or actions depending on whether a programmer-specified boolean condition evaluates to true or false. Apart from the case of branch predication, this is always achieved by selectively altering the control flow based on some condition.
In most computer programming languages, a do while loop is a control flow statement that executes a block of code at least once, and then repeatedly executes the block, or not, depending on a given boolean condition at the end of the block. ... If it is true, the code executes the body of the loop again.
A redirect is when a web page is visited at a certain URL, it changes to a different URL. ... This is very useful if we want to redirect a certain page to a new location, change the URL structure of a site, remove the "www." portion of the URL, or even redirect users to another website entirely (just to name a few).
The Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the page so that programs can change the document structure, style, and content. The DOM represents the document as nodes and objects. That way, programming languages can connect to the page.
The W3C DOM and WHATWG DOM standards are implemented in most modern browsers. Many browsers extend the standard, so care must be exercised when using them on the web where documents may be accessed by various browsers with different DOMs.
The var statement declares a variable, optionally initialising it to a value.
super is a keyword. It is used inside a sub-class method definition to call a method defined in the super class. Private methods of the super-class cannot be called. Only public and protected methods can be called by the super keyword. It is also used by class constructors to invoke constructors of its parent class.
Exception handling is the process of responding to exceptions when a computer program runs. An exception occurs when an unexpected event happens that requires special processing. ...Exception handling attempts to gracefully handle these situations so that a program (or worse, an entire system) does not crash.
A block statement (or compound statement in other languages) is used to group zero or more statements. The block is delimited by a pair of curly brackets and may optionally be labelled.
An anonymous function is a function that is not stored in a program file, but is associated with a variable whose data type is function_handle .Anonymous functions can accept inputs and return outputs, just as standard functions do. However, they can contain only a single executable statement.
The Function constructor creates a new Function object. Calling the constructor directly can create functions dynamically, but suffers from security and similar (but far less significant) performance issues to eval. However, unlike eval, the Function constructor creates functions which execute in the global scope only.
The encodeURI() function encodes a Uniform Resource Identifier (URI) by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two "surrogate" characters).
- Basic computer knowledge and skills
- Passion for programming
- Basic knowledge of computer science is optional
- Passion for web development
Gain a good understanding of the following concepts with this course:
Design practises of applications
Object Oriented programming
You will receive all the knowledge to use and leverage the powerful technology behind these amazing and wonderful platforms.
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• Multiple coding challenges to practice your new skills (solutions included).
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