• 方法一
let a = "a", b = "b";
console.log(a, b);
let t = a;
a = b;
b = t;
console.log(a, b);
  • 方法二
let a = "a", b = "b";
console.log(a, b);
[a, b] = [b, a];
console.log(a, b);
  • 方法三
let a = "a", b = "b";
console.log(a, b);
a = [b, b = a][0];
console.log(a, b);
扫码关注我们
微信号：SRE实战
拒绝背锅 运筹帷幄