function urlArgs (url){
var args = {}
var params = location.search.substring(1).split('&')
console.log(params)
for (let i = 0; i < params.length; i++) {
var pos = params[i].indexOf('=')
if (pos === -1) continue
var name = params[i].substring(0, pos)
var value = decodeURIComponent(params[i].substring(pos+1))
args[name] = value
}
console.log(args)
return args
}