余数赋值 (%=)

余数赋值 (%=) 运算符对两个操作数执行 remainder 并将结果赋给左侧操作数。

¥The remainder assignment (%=) operator performs remainder on the two operands and assigns the result to the left operand.

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¥Syntax

x %= y

¥Description

x %= y 与 x = x % y 等效，只是表达式 x 仅计算一次。

¥x %= y is equivalent to x = x % y, except that the expression x is only evaluated once.

¥Examples

¥Using remainder assignment

let bar = 5;

bar %= 2; // 1
bar %= "foo"; // NaN
bar %= 0; // NaN

let foo = 3n;
foo %= 2n; // 1n

Specification
ECMAScript Language Specification # sec-assignment-operators

¥Specifications

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¥Browser compatibility

¥See also