//消除一个数组里重复的元素; var a = [1,3,5,12,1,34,2,56,23,12,34,90,35] function repeat (arr) { var obj = []; for(var i = 0; i推荐阅读
//消除一个数组里重复的元素; var a = [1,3,5,12,1,34,2,56,23,12,34,90,35] function repeat (arr) { var obj = []; for(var i = 0; i推荐阅读