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除法赋值（/=）
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
除法赋值（/=）运算符将变量除以右操作数的值，并将结果赋值给该变量。
尝试一下
let a = 3;a /= 2;console.log(a);// Expected output: 1.5a /= 0;console.log(a);// Expected output: Infinitya /= "hello";console.log(a);// Expected output: NaN语法
js
x /= y // x = x / y示例
使用除法赋值
js
let bar = 5;bar /= 2; // 2.5bar /= 2; // 1.25bar /= 0; // Infinitybar /= "foo"; // NaN规范
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-assignment-operators |