javascript 只重新加载网页的一部分
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Only reload a part of a web page
提问by Shailendra
I have a page in which a user is asking a question after watching video. I want to update the number of questions asked as soon as any user asks question. I do not want to reload the whole page. I only want to update that specific div which is containing all questions.
我有一个页面，用户在观看视频后在其中提问。我想在任何用户提出问题时立即更新提出的问题数量。我不想重新加载整个页面。我只想更新包含所有问题的特定 div。
回答by Tadeck
You can use jQuery.load()for this.
您可以jQuery.load()为此使用。
For example, wherever you want to refresh some div with id=questions, you do this:
例如，无论您想在何处使用 id= 刷新某个 div questions，都可以这样做：
jQuery('#questions').load('/some_url #questions > *');
回答by Esben Skov Pedersen
You add a page to you server which returns only your questions.
您向服务器添加一个页面，该页面仅返回您的问题。
e.g. your full page contains
例如你的整页包含
<div id="questions"></div>
then you design a page /questions.php on your server which returns only what is supposed to be in that div
然后你在你的服务器上设计一个页面 /questions.php，它只返回应该在那个 div 中的内容
with jquery.load you fill the questions div
使用 jquery.load 填写问题 div
<script>$(function(){ $("#questions").load("/questions.php") })</script>
