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? ??? ?? PHP ???? AJAX? ???? ??? ?? ?? ?? ?? ???? ?????? ??? ??????

AJAX? ???? ??? ?? ?? ?? ?? ???? ?????? ??? ??????

Oct 22, 2024 am 11:46 AM

How to Update Dynamic Content without Page Refresh Using AJAX?

Dynamic Content Updates with AJAX

Problem:

You aim to update the content of a div without reloading the page upon clicking a link.

Solution without Refreshing:

Employing AJAX (Asynchronous JavaScript and XML), you can retrieve updated content without reloading the page.

Implementation:

  1. Handle Link Events with JavaScript:

    Assign JavaScript event handlers to links to invoke the data retrieval function.

    <code class="html"><a href="#" onClick="recp('1')" > One   </a></code>

  2. AJAX Request with jQuery:

    The recp() function uses jQuery's .load() method to retrieve data from a PHP script without reloading the page.

    <code class="javascript">function recp(id) {
  $('#myStyle').load('data.php?id=' + id);
}</code>

  3. Retrieve Data with PHP:

    Create a PHP script (e.g., data.php) that retrieves data based on the ID passed in the URL.

    <code class="php"><?php
require ('myConnect.php');     
$id = $_GET['id'];
$results = mysql_query("SELECT para FROM content WHERE  para_ID='$id'");   
if( mysql_num_rows($results) &gt; 0 )
{
 $row = mysql_fetch_array( $results );
 echo $row['para'];
}
?></code>

  4. Render Updated Content:

    The retrieved data is loaded into the div with id='myStyle'.

    <code class="html"><div id='myStyle'>
</div></code>

With this implementation, clicking links updates the div's content dynamically, providing a seamless and responsive user experience without refreshing the page.

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