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1. developer.mozilla.org › What_is_JavaScriptWhat is JavaScript? - Learn web development | MDN - MDN Web Docs

   developer.mozilla.org › What_is_JavaScript

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   Jan 24, 2024 · JavaScript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, etc. — you can bet ...

   • MDN Web Docs Glossary

     JavaScript enjoyed immediate success and Internet Explorer...

   • JavaScript Basics

     JavaScript is a powerful programming language that can add...

2. javascript.info › introAn Introduction to JavaScript

   javascript.info › intro

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   For instance, in-browser JavaScript is able to: Add new HTML to the page, change the existing content, modify styles. React to user actions, run on mouse clicks, pointer movements, key presses. Send requests over the network to remote servers, download and upload files (so-called AJAX and COMET technologies).

3. developer.mozilla.org › en-US › docsJavaScript — Dynamic client-side scripting - Learn web ...

   developer.mozilla.org › en-US › docs

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   Mar 14, 2024 · JavaScript is a programming language that allows you to implement complex functionalities on web pages.

4. People also ask

   What is the difference between the && and & operator in JavaScript?

   • JavaScript AND Operator is used to perform logical AND operation on two boolean operands. AND Operator is usually used in creating complex conditions like combining two or more simple conditions. The symbol used for AND Operator is &&. AND Operator supports chaining.

   JavaScript AND (&&) Operator - TutorialKart

   www.tutorialkart.com/javascript/javascript-and-operator/

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   What are some examples of the && operator in JavaScript?

   • The symbol used for AND Operator is &&. AND Operator supports chaining. For example, the syntax to write a condition with four boolean values is The above expressions returns true if and only if all the operands in that expression are true.

   JavaScript AND (&&) Operator - TutorialKart

   www.tutorialkart.com/javascript/javascript-and-operator/

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   What is the difference between && and & in JavaScript?

   • The logical AND (&&) operator is one of the binary operators because it requires two operands to perform the operation. The logical AND operator takes two operands they could be in the form of an expression or any comparison, but the AND operator will return true only if both the operands of the operator become true.

   What is Logical AND Operator (&&) in JavaScript? - tutorialspoint.com

   www.tutorialspoint.com/What-is-Logical-AND-Operator-and-and-in-JavaScript

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5. www.w3schools.com › whatis › whatis_jsWhat is JavaScript - W3Schools

   www.w3schools.com › whatis › whatis_js

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   What can JavaScript Do? This section contains some examples of what JavaScript can do: JavaScript Can Change HTML Content; JavaScript Can Change HTML Attribute Values; JavaScript Can Change HTML Styles (CSS) JavaScript Can Hide HTML Elements; JavaScript Can Show HTML Elements

   Code sample

   var x = 5;

   var y = 6;

   var z = x + y;

   See more on w3schools

6. devdoc.net › First_steps › What_is_JavaScriptWhat is JavaScript? - Learn web development | MDN

   devdoc.net › First_steps › What_is_JavaScript

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   Jul 19, 2017 · JavaScript can do a lot more than that — let's explore what in more detail. So what can it really do? The core JavaScript language consists of some common programming features that allow you to do things like: Store useful values inside variables.

7. www.codecademy.com › learn › introduction-to-javascriptLearn JavaScript | Codecademy

   www.codecademy.com › learn › introduction-to-javascript

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   1. Welcome to Learn JavaScript. Learn about what the JavaScript course has in store! 2. Introduction. In this course, you will learn about JavaScript data types, built-in methods, and variables. 3. Conditionals. Learn how to use if, else if, else, switch, and ternary syntax to control the flow of a program in JavaScript. 4. Functions.