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How to use ajax technology to realize txt pop-up on the page

韦小宝Original: 2018-01-15 11:39:131282browse

The following editor will bring you an article on how to use ajax technology to realize txt pop-up on the page. The editor thinks it's pretty good, so now I'll share the ajax source code with you and give it as a reference. If you are interested in ajax, follow the editor to have a look.

Use ajax technology to click the button to display the content in the TXT text on the page through a pop-up box

/*事件会在页面加载完成后触发。*/

<script>

window.onload = function（）{

/*获取按钮的id*/

　　var oBth=document.getElementById（‘btn&#39;）;

/*点击按钮触发的函数*//

　　oBth.onclick = function(){

/*打开浏览器*/

　　　　var xhr = new XMLHttpRequest（）;

/*在地址栏输入地址，这里的1txt代表需要打开的内个txt文件*/

　　　　xhr.open（‘get&#39;，‘1.txt&#39;，true）

/*提交*/

　　　　xhr.send（）;

/*等服务器返回内容*/

　　　　xhr.onreadystatechange = function（）{

　　　　　　if（xhr.readystate==4）{

　　　　　　alert（xhr.responseText）;

}

}

}

}

</script>

<body>
<input type="button" value="按钮" id="btn">
</body>

The above is all the content of using ajax to open a text file through a pop-up window. I hope it will be helpful to everyone! !

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