Left shift assignment (<<=)
The left shift assignment operator (<<=) moves the specified amount of bits to the left and assigns the result to the variable.
Try it
Syntax
x <<= y // x = x << y
Examples
Using left shift assignment
let a = 5;
// 00000000000000000000000000000101
a <<= 2; // 20
// 00000000000000000000000000010100
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-assignment-operators |
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