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JavaScript References. 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. Complete JavaScript Reference »
ECMA-262 is the official name of the standard. ECMAScript is the official name of the language. 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.
W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.
The <script> element either contains script statements, or it points to an external script file through the src attribute. Common uses for JavaScript are image manipulation, form validation, and dynamic changes of content. To select an HTML element, JavaScript most often uses the document.getElementById() method.
Just like in algebra, variables hold values: let x = 5; let y = 6; Just like in algebra, variables are used in expressions: let z = x + y; From the example above, you can guess that the total is calculated to be 11.
JavaScript is the Programming Language for the Web. JavaScript can update and change both HTML and CSS. JavaScript can calculate, manipulate and validate data.
Comparison Operators. Comparison operators are used in logical statements to determine equality or difference between variables or values. Given that x = 5, the table below explains the comparison operators: Operator. Description. Comparing. Returns. Try it. ==.
JavaScript supports different kinds of loops: for - loops through a block of code a number of times. for/in - loops through the properties of an object. for/of - loops through the values of an iterable object. while - loops through a block of code while a specified condition is true.
JavaScript is an object-based client-side scripting language that runs on web browsers. It is trendy and is used with HTML to create dynamic and interactive web pages. This JavaScript tutorial will help you understand the basic concepts of modern JavaScript step by step.
3 days ago · Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.
