
JavaScript Tutorial - W3Schools
JavaScript is one of the 3 languages all web developers must learn: 1. HTML to define the content of web pages. 2. CSS to specify the layout of web pages. 3. JavaScript to program the …
JavaScript Comments - W3Schools
JavaScript comments can be used to explain JavaScript code, and to make it more readable. JavaScript comments can also be used to prevent execution, when testing alternative code.
JavaScript Introduction - W3Schools
What is JavaScript? JavaScript is the programming language of the web. It can update and change both HTML and CSS. It can calculate, manipulate and validate data.
JavaScript Functions - W3Schools
JavaScript Function Syntax. A JavaScript function is defined with the function keyword, followed by a name, followed by parentheses (). Function names can contain letters, digits, …
How To Create Notes - W3Schools
Notes. Notes can be used to notify the user about something special: danger, success, information or warning
W3Schools Online Web Tutorials
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. Tutorials …
JavaScript Objects - W3Schools
Creating a JavaScript Object. These examples create a JavaScript object with 4 properties:
JavaScript Variables - W3Schools
Creating a variable in JavaScript is called "declaring" a variable. You declare a JavaScript variable with the var or the let keyword:
Javascript ES6 - W3Schools
The JavaScript for/of statement loops through the values of an iterable objects. for/of lets you loop over data structures that are iterable such as Arrays, Strings, Maps, NodeLists, and more. The …
HTML Comments - W3Schools
Note: Comments are not displayed by the browser, but they can help document your HTML source code.