Wednesday, September 28, 2011

JQuery Change Event

In this article we will learn how JQuery change events work

Change event will fire, when value of element is getting changed.  Example:  If we try to change textbox value it should try to validate it.

Example 1: Show Alert when textbox value is changed using JQuery Change Event (Live Demo)
I have a html textbox control, whose id is "txtInput" on changing value of textbox content, I will display alert.

<b>Type anything in below textbox to trigger, change event</b><br />
<input id="txtInput" type="text" />

JQuery script for showing alert on text content change

<script language="javascript" type="text/javascript">
    $(document).ready(function () {


        $("#txtInput").change(
            function () {
                alert("Textbox value is changed");
            }
        );


    });
</script>


I will be discussing more JQuery examples in JQuery example series.

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