function myjoin(arr) { if (arr.length <= 0) { return ""; } var s = arr[0]; for (var i = 1; i < arr.length; i++) { s = s + "|" + arr[i]; } return s; } var arr = new Array(); arr[0] = "tom"; arr[1] = "jerry"; arr[2] = "lily"; alert(myjoin(arr));
转载于:https://www.cnblogs.com/qzc900809/archive/2013/02/05/2893374.html
