function getUrlParam(sUrl, sKey) {
let arr = sUrl.split("?")[1].split("#")[0].split("&"), obj={};
arr.forEach(item=>{
let [key, value] = item.split("=");
if(key in obj){
obj[key] = [].concat(obj[key], value);
}else{
obj[key] = value
}
})
return sKey ? obj[sKey] || "" : obj;
} 
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