Right shift assignment (>>=)

The right shift assignment operator (>>=) moves the specified amount of bits to the right and assigns the result to the variable.

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Operator: x >>= y
Meaning:  x   = x >> y

let a = 5; //   (00000000000000000000000000000101)
a >>= 2;   // 1 (00000000000000000000000000000001)

let b = -5; //  (-00000000000000000000000000000101)
b >>= 2;  // -2 (-00000000000000000000000000000010)

• Assignment operators in the JS guide
• Right shift operator