Assignment (=) - JavaScript 编辑

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

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Syntax

Operator: 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

BCD tables only load in the browser

See also

• Assignment operators in the JS guide