<div class="hcb_wrap">
<pre class="prism undefined-numbers lang-csharp" data-lang="JavaScript"><code> 
var originalVal = $.fn.val; 
$.fn.val = function() { 
	var result =originalVal.apply( this, arguments ); 
	var id = $( this ).attr( "id" ); 
	if( arguments.length > 0 ) $(this).change(); 
	 
	return result; 
}; 
</code></pre>
</div>
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<p>åç §å <a href="https://stackoverflow.com/questions/3179385/val-doesnt-trigger-change-in-jquery" rel="noopener noreferrer" target="_blank">val() doesn&#8217;t trigger change() in jQuery</a></p>