2024-11-30 01:17939人浏览

2024-11-30 01:122656人浏览

2024-11-30 01:081069人浏览

2024-11-30 00:47591人浏览

2024-11-30 00:38617人浏览

2024-11-30 00:101002人浏览

1.var a=1;var b=a; a=3; console.log(b) //1; var a=[1];var b=a;a[0]=3;console.log(b) //[3];2.js中if是一个