let zzz=[2,4,6]; console.log(zzz);//[2, 4, 6] console.log(...zzz);//2 4 6
let a=[1,2,3]; let b=[...a,4,5,6]; console.log(b);//1,2,3,4,5,6 let da=[1,2]; let db=Array.from(da); db.push(3); console.log(da,db);//[1, 2] [1, 2, 3]
var arr5= [3,4,5]
var arr6 = [6,7,8]
var arr7 = arr5.concat(arr6);
console.log(arr7);//3,4,5,6,7,8
var arr8 = [...arr5,...arr6];
console.log(arr8);//3,4,5,6,7,8var str = 'html'; var arr9 = [...str]; console.log(arr9);//["h", "t", "m", "l"]
let [a,b,...c]=[1,2,3,4,5]; console.log(a,b);//1 2 console.log(c);//[3, 4, 5] var aa=[1,2,3]; var bb=[...aa]; bb.push(4,5); console.log(bb);//[1, 2, 3, 4, 5]
function aa(a,b){
return a+b
}
let cc=[1,3]
let bb=aa(...cc)
console.log(bb);//4以上就是JavaScript中的扩展运算符的详细内容，更多请关注php中文网其它相关文章！
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