Bitwise AND assignment (&=)
The bitwise AND assignment (&=
) operator performs bitwise AND on the two operands and assigns the result to the left operand.
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Syntax
js
x &= y
Description
x &= y
is equivalent to x = x & y
.
Examples
Using bitwise AND assignment
js
let a = 5;
// 5: 00000000000000000000000000000101
// 2: 00000000000000000000000000000010
a &= 2; // 0
let b = 5n;
b &= 2n; // 0n
Specifications
Specification |
---|
ECMAScript Language Specification # sec-assignment-operators |
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