题型:问答题 标签:数组
题目:
var aUnshift = [1, 2, 3];
console.log("len:"+aUnshift.unshift(0)+",unshift 后数组:
"+aUnshift);
var aUnshift = [1, 2, 3];
console.log("len:"+aUnshift.unshift(0)+",unshift 后数组:
"+aUnshift);