JavaScript Tutorial - W3Schools
W3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, and is continuously updated according to the latest web standards.
JavaScript Introduction - W3Schools
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.
JavaScript Syntax - W3Schools
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What is JavaScript? - W3Schools
JavaScript is the Programming Language for the Web. JavaScript can update and change both HTML and CSS. JavaScript can calculate, manipulate and validate data.
JavaScript Examples - W3Schools
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.
JavaScript Functions - W3Schools
A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when "something" invokes it (calls it).
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 For Loop - W3Schools
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.
JavaScript Statements - W3Schools
Most JavaScript programs contain many JavaScript statements. The statements are executed, one by one, in the same order as they are written. JavaScript programs (and JavaScript statements) are often called JavaScript code.
JavaScript Arrays - W3Schools
Arrays are a special type of objects. The typeof operator in JavaScript returns "object" for arrays. But, JavaScript arrays are best described as arrays. Arrays use numbers to access its "elements". In this example, person[0] returns John: