问题描述
Object {0: 0, 1: 2, 2: 4, 3: 6, 4: 8, 5: 11, 6: 13, 7: 15, 8: 17, 9: 19, 10: 22, 11: 24, 12: 26, 13: 28, 14: 30, 15: 33, 16: 35, 17: 37, 18: 39, 19: 41, 20: 44, 21: 46, 22: 48, 23: 50, 24: 52, 25: 55, 26: 57}
结果遍历的option 的 value 却是
110100101...11110
我没设置排序哇。。
问题解答
回答1:把你的那个对象转成数组吧,http://jsfiddle.net/gzozycj8/2/
回答2:Object没有顺序。数组才有顺序。