Right shift assignment (>>=)
The right shift assignment operator (>>=) moves the specified amount of bits to the right and assigns the result to the variable.
语法
Operator: x >>= y Meaning: x = x >> y
Examples
Using right shift assignment
let a = 5; // (00000000000000000000000000000101)
a >>= 2; // 1 (00000000000000000000000000000001)
let b = -5; // (-00000000000000000000000000000101)
b >>= 2; // -2 (-00000000000000000000000000000010)Specifications
| Specification |
|---|
| ECMAScript (ECMA-262) Assignment operators |
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