js 刪除url指定參數

/**
     * 刪除當前url中指定參數
     * @param names 數組或字符串
     * @returns {string}
     */
    function funcUrlDel(names) {
        if(typeof(names)=='string'){
            names = [names];
        }
        var loca = window.location;
        var obj = {}
        var arr = loca.search.substr(1).split("&");
        //獲取參數轉換爲object
        for(var i = 0; i < arr.length; i++) {
            arr[i] = arr[i].split("=");
            obj[arr[i][0]] = arr[i][1];
        };
        //刪除指定參數
        for(var i = 0; i < names.length; i++) {
             delete obj[names[i]];
        }
        //從新拼接url
        var url = loca.origin + loca.pathname + "?" + JSON.stringify(obj).replace(/[\"\{\}]/g, "").replace(/\:/g, "=").replace(/\,/g, "&");
        return url;
    }