Category "dom-events"

JavaScript closure function not called on form submit

This has me perplexed. I have a textbox. You type something in, and press enter. JavaScript creates a read-only input element in separate form. Alongside the te

Validating Radio Buttons on Submit

I am trying to validate radio buttons on a competition, its multi-step so the radio buttons post the selection over to the entry form page. Currently having tr

How to make a real "onchange" event in HTML (no jQuery)?

Please note: I do not want to use jQuery for this (otherwise I like it) Problem: I have come to situation where I need to do some javascript function after an u

HTML input type number JavaScript onchange fires twice?

I can't believe I couldn't find any discussion on this already... There have been questions of how to handle events from the HTML5 form element <input type="

Feeding JavaScript variables into form fields on submit

I've got this almost working but can't quite complete it. I have a jQuery datepicker on a reservation page that feeds into an "Arrival" field as mm/dd/yyyy. I a

Reflect select state in JavaScript function

In JavaScript how do you make it so that a function is ready to change at any moment? I want to make it so that when someone selects a different option from a d

Cancelling JavaScript events in IE11

I have some historical code that's using event.returnValue = false to prevent CR from causing a post back in an ASP.NET via the onkeydown event: onkeydown = "if

Form value to be empty if no change by user

I have a form with two inputs: <input type="text" name="keyword" value="Search" onfocus="wipe(this)"/> <input type="text" name="city" value="City" onf

Form value to be empty if no change by user

I have a form with two inputs: <input type="text" name="keyword" value="Search" onfocus="wipe(this)"/> <input type="text" name="city" value="City" onf

Submitting forms using JavaScript

I have been battling for the past two days with the evil onbeforeunload function in JavaScript. I have a function that warns the user when they are about to clo

How can I react to 'onchange' and 'aspx state' information for a form dropdown?

I'm after what seems to me to be a straightforward pattern for handling page refreshes when I've got a drop-down that reacts to the onchange event. I've used th

onKeyUp event calculation not working on the following rows from php generated forms except the first one

-------------------------------------------------- |No|Style No|Item Desc|Qty|Unit Price|Total Price| ----------------------------------------------

Javascript validate form is not preventing submit

I have a form and I do JavaScript validation function onsubmit: <form method="post" onsubmit="return validateForm(this.id)" action="<?php echo $PHP_SELF;

How to check multiple function in JavaScript

I have many functions written in JavaScript such as userName(), password() etc. But on submitting on the form, I have a single function return formValidator();.

In ASP.NET, After Selecting "Stay On This Page" nothing is working

I am using this code for preventing user to leave the page if there is any changes on the form in SharePoint FarmApplication <script> var formDirty

Replace traditional event call with JavaScript event listener

With the following code: <head> <script type="text/javascript"> function popupMsg(msg) { alert(msg); } </script> </head> <body>

Fire Button click event during onsubmit

I want to fire a click event during the onsubmit of form. In button click event I used a url which it has to redirect. I don't want to use the form's 'action" t

Pre-populate form field with the text from a <p> using JavaScript

I have this on a page: <p class="test" style="width: 300px" title="intro">Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh

Two buttons one form

<?=form_open('blog/register');?> <table> <tr> <td><label for="register_name">User

How to get where onclick function is called JavaScript

Can anybody give me the syntax on how could I determine where the onclick event was called. I want to change the h4 content depending on where the onclick came