Bitwise OR assignment (|=)
The bitwise OR assignment operator (|=) uses the binary representation of
both operands, does a bitwise OR operation on them and assigns the result to the
variable.
Syntax
x |= y // x = x | y
Examples
Using bitwise OR assignment
let a = 5;
a |= 2; // 7
// 5: 00000000000000000000000000000101
// 2: 00000000000000000000000000000010
// -----------------------------------
// 7: 00000000000000000000000000000111
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-assignment-operators |
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