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Assignment (=)

The simple assignment operator (=) is used to assign a value to a variable. The assignment operation evaluates to the assigned value. Chaining the assignment operator is possible in order to assign a single value to multiple variables.

Try it

Syntax

x = y

Examples

Simple assignment and chaining

// Assuming the following variables
//  x = 5
//  y = 10
//  z = 25

x = y     // x is 10
x = y = z // x, y and z are all 25

Specifications

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet Deno Node.js
Assignment
1
12
1
3
3
1
4.4
18
4
10.1
1
1.0
1.0
0.10.0

See also

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