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What Does $ Mean in JavaScript? Dollar Sign Operator in JS

In JavaScript, the dollar sign is not a built-in operator or syntax. It does not have any predefined meaning or functionality in the JavaScript language itself. Instead, it is often used as a convention in libraries, frameworks, and other JavaScript code written by developers for various purposes.

https://stackoverflow.com/questions/846585/what-is-the-purpose-of...

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What is the purpose of the dollar sign in JavaScript?

Note: By default, jQuery uses "$" as a shortcut for "jQuery". This has some effects on the use of other Javascript libraries. See docs.jquery.com/Using_jQuery_with_Other_Libraries. In other words, $ is comparable to any acceptable symbol in variable/function names. Doing var $=function(){} is very same as doing var a=function(){}.

https://www.w3schools.com/jsref/jsref_operators.asp

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JavaScript Operators Reference - W3Schools

Operators are used to assign values, compare values, perform arithmetic operations, and more. There are different types of JavaScript operators: Arithmetic operators are used to perform arithmetic between variables and/or values. Given that y = 5, the table below explains the arithmetic operators:

https://www.geeksforgeeks.org/javascript-operators/

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JavaScript Operators - GeeksforGeeks

JavaScript operators are symbols or keywords used to perform operations on values and variables. They are the building blocks of JavaScript expressions and can manipulate data in various ways. There are various operators supported by JavaScript. 1. JavaScript Arithmetic Operators.

https://javascript.info/

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The Modern JavaScript Tutorial

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

https://www.w3schools.com/js/js_operators.asp

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JavaScript Operators - W3Schools

Javascript operators are used to perform different types of mathematical and logical computations. The Assignment Operator = assigns values. The Addition Operator + adds values. The Multiplication Operator * multiplies values. The Comparison Operator > compares values. The Assignment Operator (=) assigns a value to a variable:

https://stackoverflow.com/questions/359494/which-equals-operator-...

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Which equals operator (== vs ===) should be used in JavaScript ...

JavaScript has two sets of equality operators: === and !==, and their evil twins == and !=. The good ones work the way you would expect. If the two operands are of the same type and have the same value, then === produces true and !== produces false.

https://www.codeconvert.ai/java-to-javascript-converter

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Java to JavaScript Converter

Convert code from Java to JavaScript with a click of a button.

https://www.javascripttutorial.net/

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JavaScript Tutorial

JavaScript Hello World – learn how to execute the first JavaScript code that displays the famous "Hello, World!" message. Section 2. Fundamentals. Syntax – explain the JavaScript syntax, including whitespace, statements, identifiers, keywords, expressions, and comments. Variables – show you how to declare variables.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference...

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in - JavaScript | MDN - MDN Web Docs

The in operator returns true if the specified property is in the specified object or its prototype chain. The in operator cannot be used to search for values in other collections. To test if a certain value exists in an array, use Array.prototype.includes(). For sets, use Set.prototype.has().

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