The problem is that you're returning an entire HTML document when you uselocation.href
as the URL. The documentation warns:
jQuery uses the browser's .innerHTML property to parse the retrieved document and insert it into the current document. During this process, browsers often filter elements from the document such as
<html>
,<title>
, or<head>
elements. As a result, the elements retrieved by .load() may not be exactly the same as if the document were retrieved directly by the browser.
Since you're returning the<html>
element, this is being filtered out, so there's nothing to insert into#reloadable
.
Instead, you could load directly fromrand.php
:
function refreshDiv()
{
$('#reloadable').load('rand.php');
}
With the pure respect to all friends that helped me specially Barmar and Ken lee, I can not accept Barmar's answer as correct answer. Because Barmar said$('#reloadable').load(location.href + ' #reloadable');
can not run properly and mentioned some reasons. But I added
<script
src="https://code.jquery.com/jquery-3.6.0.js"
integrity="sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk="
crossorigin="anonymous"></script>
from Ken lee's answer and also addedonclick="javascript:refreshDiv()
to my original code attached to main question and it worked. So the following code is working
<script
src="https://code.jquery.com/jquery-3.6.0.js"
integrity="sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk="
crossorigin="anonymous"></script>
<html>
<body>
<div id="reloadable"><?php include "rand.php"; ?></div>
<button class="ref" onclick="javascript:refreshDiv();"> refresh </button>
<script>
function refreshDiv() {
$('#reloadable').load(location.href + ' #reloadable');
}
</script>
</body>
</html>
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PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites.
The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.
https://www.php.net/
JavaScript is a multi-paradigm language that supports event-driven, functional, and mandatory (including object-oriented and prototype-based) programming types. Originally JavaScript was only used on the client side. JavaScript is now still used as a server-side programming language. To summarize, we can say that JavaScript is the language of the Internet.
https://www.javascript.com/
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https://jquery.com/
HTML (English "hyper text markup language" - hypertext markup language) is a special markup language that is used to create sites on the Internet.
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https://www.w3.org/html/
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