/**
 * js动态加载
 * @param url
 * @param callback
 */
var loadScript = function (url, callback) {
    var script = document.createElement("script");
    script.type = "text/javascript";
    if (script.readyState) {  //IE
        script.onreadystatechange = function () {
            if (script.readyState == "loaded" || script.readyState == "complete") {
                script.onreadystatechange = null;
                callback();
            }
        };
    } else {  //Others
        script.onload = function () {
            callback();
        };
    }
    script.src = url;
    script.defer ='defer';
    document.getElementsByTagName("head")[0].appendChild(script);
};
/**
 * 参数分解
 * @returns {string}
 */
var lang = function(){
    var url = window.location.href;
    //var test = "http://localhost:8801/index.html?language=en";
    var temp = url.split('=');
    var lang = temp[1];
    if(lang == undefined){
        lang = 'zh-hans';
    }
    return lang;
};