Unsigned right shift assignment (>>>=) - JavaScript 编辑

The unsigned right shift assignment operator (>>>=) moves the specified amount of bits to the right and assigns the result to the variable.

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Syntax

Operator: x >>>= y
Meaning:  x    = x >>> y

Examples

Using unsigned right shift assignment

let a = 5; //   (00000000000000000000000000000101)
a >>>= 2;  // 1 (00000000000000000000000000000001)

let b = -5; // (-00000000000000000000000000000101)
b >>>= 2;   // 1073741822 (00111111111111111111111111111110)

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Assignment operators in the JS guide
• Unsigned right shift operator