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How to show loader image when AJAX call is in Progress
If the AJAX request takes more time then at the Client-side there is no visible change is been displayed and the user doesn’t know whether its request is in progress or not. You can display a loading image or text message on the page when the AJAX request is in progress and hide it after getting a response.
Example :-
File Name :
<script type='text/javascript'>
$(document).ready(function(){
$("#but_search").click(function(){
var search = $('#search').val();
$.ajax({
url: 'fetch_deta.php',
type: 'post',
data: {search:search},
beforeSend: function(){
// Show image container
$("#loader").show();
},
success: function(response){
$('.response').empty();
$('.response').append(response);
// $('#dataList').html(html);
// $('.loading').fadeOut("slow");
},
complete:function(data){
// Hide image container
$("#loader").hide();
}
});
});
});
</script>
<input type='text' id='search'>
<input type='button' id='but_search' value='Search'><br/>
<!-- Image loader -->
<div id='loader' style='display: none;'>
<img src='reload.gif' width='32px' height='32px'>
</div>
<!-- Image loader -->
<div class='response'></div>
Example 2:-
File Name :
$(document).ajaxStart(function(){
// Show image container
$("#loader").show();
});
$(document).ajaxComplete(function(){
// Hide image container
$("#loader").hide();
});
Example 3:-
File Name :
<script type="text/javascript">
$(document).ready(function()
{
$(document).ajaxStart(function(){
$('#process_img').css("display", "block");
});
$(document).ajaxComplete(function(){
$('#process_img').css("display", "none");
});
});
</script>