Javascript 这是低效的,我怎样才能循环呢?
我试着拉下两个动词和它们的相关语句,这段代码可以工作,但我认识到这是低效的。我尝试将动词放入数组中,然后在每一行中引用该动词命名的数组项,但这引发了一个错误。我可以使用什么代码通过我构建的谓词数组进行循环?多谢各位Javascript 这是低效的,我怎样才能循环呢?,javascript,html,tin-can-api,Javascript,Html,Tin Can Api,我试着拉下两个动词和它们的相关语句,这段代码可以工作,但我认识到这是低效的。我尝试将动词放入数组中,然后在每一行中引用该动词命名的数组项,但这引发了一个错误。我可以使用什么代码通过我构建的谓词数组进行循环?多谢各位 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Get 2 verbs</title>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Get 2 verbs</title>
<script src="xapiwrapper.min.js"></script>
</head>
<body>
<div id='demo'></div>
<script>
var text = "";
ADL.XAPIWrapper.changeConfig({"endpoint":"https://lrs.adlnet.gov/xapi/"});
var search = ADL.XAPIWrapper.searchParams();
search['verb'] = ADL.verbs.completed.id;
search['since'] = "2017-08-08T08:34:16Z";
var res = ADL.XAPIWrapper.getStatements(search);
if (res) {
text = JSON.stringify(res);
}
var text2 = "";
ADL.XAPIWrapper.changeConfig({"endpoint":"https://lrs.adlnet.gov/xapi/"});
var search = ADL.XAPIWrapper.searchParams();
search['verb'] = ADL.verbs.resumed.id;
search['since'] = "2017-08-08T08:34:16Z";
var res = ADL.XAPIWrapper.getStatements(search);
if (res) {
text2 = JSON.stringify(res);
}
document.getElementById('demo').innerHTML = text + text2;
</script>
</body>
</html>
得到两个动词
var text=“”;
ADL.XAPIWrapper.changeConfig({“端点”:”https://lrs.adlnet.gov/xapi/"});
var search=ADL.XAPIWrapper.searchParams();
搜索['verb']=ADL.verbs.completed.id;
搜索['自']=“2017-08-08T08:34:16Z”;
var res=ADL.XAPIWrapper.getStatements(搜索);
如果(res){
text=JSON.stringify(res);
}
var text2=“”;
ADL.XAPIWrapper.changeConfig({“端点”:”https://lrs.adlnet.gov/xapi/"});
var search=ADL.XAPIWrapper.searchParams();
搜索['verb']=ADL.verbs.resume.id;
搜索['自']=“2017-08-08T08:34:16Z”;
var res=ADL.XAPIWrapper.getStatements(搜索);
如果(res){
text2=JSON.stringify(res);
}
document.getElementById('demo').innerHTML=text+text2;
也许是这样的?当然没有经过测试
var configs = [
{
endpoint: 'https://lrs.adlnet.gov/xapi/',
verb: ADL.verbs.completed.id,
since: "2017-08-08T08:34:16Z"
},
{
endpoint: 'https://lrs.adlnet.gov/xapi/',
verb: ADL.verbs.resumed.id,
since: "2017-08-08T08:34:16Z"
}
];
var out = '';
configs.forEach(function(cfg) {
ADL.XAPIWrapper.changeConfig({"endpoint":cfg.endpoint});
var search = ADL.XAPIWrapper.searchParams();
search['verb'] = cfg.verb;
search['since'] = cfg.since;
var res = ADL.XAPIWrapper.getStatements(search);
if (res) {
out += JSON.stringify(res);
}
});
console.log(out);
如果您询问是否可以在单个请求中使用任一动词返回语句列表,则标准XAPI搜索不支持这一点。您将需要发出多个请求,并将这两组语句合并在一起。为什么您认为这段代码效率低下?