var delkey = new Array();
delkey[0] = "2";
delkey[1] = "3";
var arr = new Array();
arr[0] = "1";
arr[1] = "2";
arr[2] = "7";
arr[3] = "9";
arr[4] = "3"; Array.prototype.del = function (n) {
if (n < 0) return this;
return this.slice(0, n).concat(this.slice(n + 1, this.length));
}
$(function () {
for (var i = 0; i < arr.length; i++) {
if (arr[i] == "2") {
arr = arr.del(i);
}
}
alert(arr);
})
用一个数组长度做for循环的终止变量,可是这个数组在for循环内length就已经改变了。怎么避免这种情况?请问
你是不是说最后一个没执行i < arr.length +1