js引⼊script 引⼊再删除，节省资源。
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<p>
<input type="button" onclick="GetJsonp();"  value='JS提交'/>
</p>
<script>
function list(data) {
console.log(data)
}
function GetJsonp(){
var tag = ateElement('script');
tag.src = "www.jxntv/data/jmd-jxtv2.html";
document.head.appendChild(tag);
veChild(tag);js教程removechild
}
</script>
</body>
</html>
取得对象  Object {data: Array[7]}