js 删除url指定参数

/**
     * 删除当前url中指定参数
     * @param names 数组或字符串
     * @returns {string}
     */
    function funcUrlDel(names) {
        if(typeof(names)=='string'){
            names = [names];
        }
        var loca = window.location;
        var obj = {}
        var arr = loca.search.substr(1).split("&");
        //获取参数转换为object
        for(var i = 0; i < arr.length; i++) {
            arr[i] = arr[i].split("=");
            obj[arr[i][0]] = arr[i][1];
        };
        //删除指定参数
        for(var i = 0; i < names.length; i++) {
             delete obj[names[i]];
        }
        //重新拼接url
        var url = loca.origin + loca.pathname + "?" + JSON.stringify(obj).replace(/[\"\{\}]/g, "").replace(/\:/g, "=").replace(/\,/g, "&");
        return url;
    }