js清除字符串中重复的值 js清除字符串中重复的值.................................

    /// 清除字符串中重复的值
    /// Text：字符串
    /// Label：标签（如：| ,
    function FilterRepeatStr(Text, Label) {
        var sarr = Text.split('' + Label + '');
        var idx = new Array();
        var tmp = new Array();
        var result = cm = '';
        for (var i = 0; i < sarr.length; i++) {
            sch = sarr[i].substr(0, 4);
            if (!In_Array(sch, tmp)) {
                idx[idx.length] = i;
                tmp[tmp.length] = sch;
            } else {
                idx[In_Array(sch, tmp) - 1] = i;
            }
        }
        for (var j = 0; j < idx.length; j++) {
            result += cm + sarr[idx[j]];
            cm = '' + Label + '';
        }

        return result;
        // alert('要理的字符串：' + Text);
        // alert('结果：' + result);
    }
    function In_Array(need, arr) {
        for (var i = 0; i < arr.length; i++) {
            if (arr[i] == need) return (i + 1);
        }
        return false;
    }