Html input radio onchange example

By: Lera-find Date: 15.06.2017

I want an event trigger to call an AJAX function on a radio button element when it changes as a result of another button being selected. Using ONCHANGE has no effect.

html input radio onchange example

It triggers the event when that button is selected, but nothing happens when it is unselected as a result of another button being selected. When I click on that button, action1 takes place, but when I click another button, either nothing happens or action1 takes place again I can't tell which, I just know the state doesn't change.

javascript - OnChange event handler for radio button (INPUT type="radio") doesn't work as one value - Stack Overflow

As far as I can figure, being unselected by clicking on another button either does not create an ONCHANGE event for the button previously selected or it happens before its "checked" state changes so my function thinks it is still checked. Thanks, but, as you demonstrate, what I am struggling with works fine with checkboxes.

When I check or uncheck the box, an ONCLICK event handler fires and triggers my function related to that element in either case. The problem I have is with radio buttons.

When I click one button it triggers an event for that radio button element the way I want it to. When I click another button which unchecks the first button, I want an event handler to fire and trigger a function that makes changes to the first button. If it were only two buttons, I could trigger a function on the second button and have that function make the changes I want to the first button. The problem is I have a number of buttons so the function would have to make changes to all of them which is starting to sound a bit rube goldbergish.

I'm looking for an event handler that will fire for a radio button when a click to another button unsets it. I would have thought you could modify the demo code to suit radio buttons.

It will help if you post your code and explain exactly what should happen when any particular button in your code is clicked. I will send the code. I will have to condense it as it includes some AJAX calls and other functions that make it hard to follow.

The root of my question is this: What event trigger fires when a radio button is deselected when another button is checked? If you will notice, there is an onchange event trigger atttached to each radio button and checkbox in the html code. In theory a change in state from checked to unchecked should fire the onchange event.

Onchange event drop down, radio button, Using CSS and Javascript

This happens as expected with the check boxes. If you check one, you get the alert, 'Your item is changed to checked'. If you uncheck it, you get the alert, 'Your item is changed to unchecked'.

With the radio buttons, when you check button one, you get, as expected, the alert, 'Your item is changed to checked' since the button changed from unchecked to checked. However, when you check the second button and the first radio button is changed from checked to unchecked the "onchange" event trigger does not fire and the 'else' alert is not triggered.

So this issue for me is what event is triggered when a radio button gets unchecked by another button being checked?

change - Event reference | MDN

I got an answer from another forum. I will try to do it another way.

iCITA: onChange Event Example

I am still not exactly sure what you want to happen when each checkbox is clicked. It would help if you state exactly what you want to happen when a particular checkbox is clicked. Guessing a bit as to what you want, the code below has your 2 radio buttons and checkboxes. Checkbox 1 clicks radio button 1 and checkbox 2 clicks radio button 2. When a radio button is clicked, either directly or indirectly by a checkbox, clickAction checks each radio button to see whether it is now checked or unchecked and alerts an appropriate message.

Powered by Discourse , best viewed with JavaScript enabled. Triggering radio button event JavaScript. I'm doing something like this: Can anyone help me with this? You probably need to use an elements click method. This is a quick demo. Whisher -- I get an error when I try to go to the link in your email.

html input radio onchange example

Kalon -- I hope I inserted this code correctly and I hope it demonstrates my issue. I appreciate everyone's assistance on this.

inserted by FC2 system