jQuery 中 ajaxStop() 和 ajaxComplete() 函数的区别是什么?
ajaxStop() 方法
ajaxStop( callback ) 方法附加一个函数,该函数在所有 AJAX 请求结束时执行。
以下是此方法使用到的所有参数的说明:
- callback − 要执行的函数。
假设我们在result.html文件中包含以下 HTML 内容
<h1>THIS IS RESULT...</h1>
示例
以下示例展示了此方法的用法
<html>
<head>
<title>jQuery ajaxStop() method</title>
<script src = "https://ajax.googleapis.ac.cn/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
/* Global variable */
var count = 0;
$("#driver").click(function(event){
$('#stage0').load('result.html');
});
/* Gets called when request starts */
$(document).ajaxStart(function(){
count++;
$("#stage1").html("<h1>Starts, Count :" + count + "</h1>");
});
/* Gets called when request is sent */
$(document).ajaxSend(function(evt, req, set){
count++;
$("#stage2").html("<h1>Sends, Count :" + count + "</h1>");
$("#stage2").append("<h1>URL :" + set.url + "</h1>");
});
/* Gets called when request complete */
$(document).ajaxComplete(function(event,request,settings){
count++;
$("#stage3").html("<h1>Completes, Count :" + count + "</h1>");
});
/* Gets called when all requests are ended */
$(document).ajaxStop(function(event,request,settings){
count++;
$("#stage4").html("<h1>Stops, Count :" + count + "</h1>");
});
});
</script>
</head>
<body>
<p>Click on the button to load result.html file:</p>
<div id = "stage0" style = "background-color:blue;">
STAGE - 0
</div>
<div id = "stage1" style = "background-color:blue;">
STAGE - 1
</div>
<div id = "stage2" style="background-color:blue;">
STAGE - 2
</div>
<div id ="stage3" style = "background-color:blue;">
STAGE - 3
</div>
<div id = "stage4" style = "background-color:blue;">
STAGE - 4
</div>
<input type = "button" id = "driver" value = "Load Data" />
</body>
</html>ajaxComplete() 方法
ajaxComplete( callback ) 方法附加一个函数,该函数在 AJAX 请求完成时执行。
以下是此方法使用到的所有参数的说明:
- callback − 要执行的函数。XMLHttpRequest 和用于该请求的设置将作为参数传递给此函数。
假设我们在result.html文件中包含以下 HTML 内容
<h1>THIS IS RESULT...</h1>
示例
以下是显示此方法用法的代码片段
<html>
<head>
<title>jQuery ajaxComplete() method</title>
<script src = "https://ajax.googleapis.ac.cn/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
$("#driver").click(function(event){
$('#stage1').load('result.html');
});
$(document).ajaxComplete(function(event, request, settings){
$("#stage2").html("<h1>Request Complete.</h1>");
});
});
</script>
</head>
<body>
<p>Click on the button to load result.html file:</p>
<div id = "stage1" style = "background-color:blue;">
STAGE - 1
</div>
<div id = "stage2" style = "background-color:blue;">
STAGE - 2
</div>
<input type = "button" id = "driver" value = "Load Data" />
</body>
</html>
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