JS实现查找字符串中第一个不重复的字符

var str = 'asdasdfaffjasaso'; var strs = []; var len = str.length; var num = 0; for (var i = 0; i < len; i++) { strs.push(str.slice(i, i + 1)); } for (var j = 0; j < len; j++) { for (var k = 0; k <

>>阅读原文<<