求在一组数组中出现次数为奇数的偶数

[qq_33196760]

求各位大神

求在一组数组中出现次数为奇数的偶数
注释：数组中全部都是数值

[似梦飞花]

自己循环一下啊

[qq_33196760]

我要是循环的出来，我就不发贴了

[天际的海浪]

var arr = [3,1,4,5,6,5,1,10,6,11,6,4,7,1];
var obj = {};
for (var i = 0, len = arr.length; i < len; i++) {
	var n = arr[i];
	if (n%2==0)
		if (n in obj)
			delete obj[n];
		else
			obj[n] = true;
}
for (var n in obj) {
	console.log(n);
}