Html頁面ajax接口請求

背景：頁面請求後臺接口

<script>
     $(function () {
	         $.ajax({
	             type: "get",
	             url: "xxx/version/get_new_version",
	             headers: {
	                 "Content-Type": "application/x-www-form-urlencoded",
	             },
	             dataType: "json",
	             success: function(data){
					 var android=data.android;
					 var ios=data.ios;
					 document.getElementById('android').href=android.download_url; 
	                 },
				})
	             
	         });

</script>