The bitwise AND assignment operator (&=
) uses the binary representation of both operands, does a bitwise AND operation on them and assigns the result to the variable.
Bitwise AND assignment (&=)
Try it
Syntax
x &= y // x = x & y
Examples
Using bitwise AND assignment
let a = 5; // 5: 00000000000000000000000000000101 // 2: 00000000000000000000000000000010 a &= 2; // 0
Specifications
Browser compatibility
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Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
Bitwise_AND_assignment |
1
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12
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1
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3
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3
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1
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1
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18
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4
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10.1
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1
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1.0
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1.0
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0.10.0
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See also
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_AND_assignment