异步加载模版

async load template

function loadDialog(name, oncomplete) {
  var xhr = new XMLHttpRequest();
  xhr.open("get", "/js/dialog/" + name, true);  
  
  xhr.onreadystatechange = function(){
    if (xhr.readyState == 4 && xhr.status == 200){
      
      var div = document.getElementById("dlg-holder");
      div.innerHTML = xhr.responseText;
      oncomplete();
      
    } else {
      //处理异常
    }
  };
  
  xhr.send(null);
}

// in Jquery
function loadTemplate(name, oncomplete){
$('#id').load("js/templte"+ name, oncomplete)
}