The left shift assignment operator (<<=) moves the specified amount of bits to the left and assigns the result to the variable.
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Syntax
Operator: x <<= y
Meaning: x = x << yExamples
Using left shift assignment
let a = 5;
// 00000000000000000000000000000101
a <<= 2; // 20
// 00000000000000000000000000010100Specifications
Browser compatibility
BCD tables only load in the browser