a=[1,2,3,4];
b=a;
c=b;
c.splice(3,1," ");
console.log(a); //輸出是[ 1, 2, 3, ' ' ]e=2;
d=e;
f=d;
f=3;
console.log(e);//輸出是2為什么會(huì)這樣？還有我怎么才能讓c數(shù)組經(jīng)過(guò)splice 后不影響數(shù)組a的值呢？
javascript里面的splice函數(shù)的用法求解
qq_笑_17
2018-10-17 10:09:29