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.attr('checked', true)Will Not Re-add on button click

I have a form with a 'Reset' button. When i select my radio button the data from my DataTable is passed and pre-pops my fields. This working fine and does in fact pre-populate the relevant radio button
JQuery
if (modifyRecordData.startTime == 'Anytime') {
$('#anyTimeRadioButton').attr('checked', true);
$('#specificTimeRadioButton').removeAttr('checked');
$('#startEndTimeFields').hide();
} else {
$('#anyTimeRadioButton').removeAttr('checked');
$('#specificTimeRadioButton').attr('checked', true);
$('#startEndTimeFields').show();
$('#startTimeHr').val(modifyRecordData.startTimeHr);
$('#startTimeMin').val(modifyRecordData.startTimeMin);
$('#endTimeHr').val(modifyRecordData.endTimeHr);
$('#endTimeMin').val(modifyRecordData.endTimeMin);
}
Data returned
Page loaded
Now the issue, if the user, after data load goes to update the details and selects the other radio button the hidden fields are displayed (again correct)
Then user clicks the 'Reset' button and it fails in the correct function
$('#resetButton').mousedown(function (event) {
buttonclicked = "Reset";
event.stopImmediatePropagation();
modifyRadioButtonSelection(modifyRecordData);
})
and then goes back to the initial loaded data and it does drop in the IF code above
Debuging
Then it re-hides the hidden section (which is correct) but it does not re-tick the radio button as expected.
If i dont have the following code in the IF it leaves the previously selected one checked although the data falls in the IF
$('#specificTimeRadioButton').removeAttr('checked');
No idea whats going wrong at all. I even tried adding the following the 'Reset' button function but it just will not re-check the correct `radio button
$('#anyTimeRadioButton').removeAttr('checked');
$('#specificTimeRadioButton').removeAttr('checked');

Historically, there's been a lot of ambiguity and confusion between three related but different concepts:
The value of the HTML attribute in the source code.
The value of the HTML attribute in DOM tree.
The value of the JavaScript property.
To address that, jQuery/1.6.1 introduced the prop() method, which I suggest you adopt.

Interacting and Submitting HTML form with JavaScript in Swift

Trying to submit an HTML form / clicking a button from this web page: https://www.vegvesen.no/kjoretoy/Eie+og+vedlikeholde/skilt/personlig-bilskilt/sok-om-personlig-bilskilt
I've tried to use both .submit() and .click() with no success
webView.evaluateJavaScript("document.getElementById('personlig-kjennemerke').click();", completionHandler: nil)
So what I try to do is to fill in the text field with "REGNR" I then try to click the orange button to submit the form and access the information I am looking for.
I am able to fill in the textfield by using:
webView.evaluateJavaScript("document.getElementById('tegnkombinasjon').val ue='\(plateNumber)'") { (value, error) in
}
Picture of the button I want to press and the text field I try to fill in
But since I'm not able to click the button programmatically I've tried to actually click it in a subview. The page then tells me I have to fill in the text field first even though I have programmatically.
So not only am I unable to click the button, but I'm also wondering how I can make the web page understand that the text field actually already contains text.

Try this:
webView.evaluateJavaScript("document.getElementsByName(\"sjekkreg\")[0].elements[2].click()")
Why by name? Because that form doesn't have an id.
Also I see your form has custom function to send that form:
pkCtrl.submit(mineFelt,sjekkreg)

How to add form step validation in multi step jquery from (With radio buttons)

I'm using this exact sample code (Except I added 2 more form steps):
LINK TO SAMPLE FORM
All my steps are radio buttons(Not Text Boxes) (2 radio buttons per form page). How can I validate the individual form pages so if no radio button is selected the form does not advance, and Ideally give user feed back to make the radio button selection? Right now the form will advance even if no field or selection has been made as it does in the demo. (See link above)
Thanks in advanced!

In the $(".next").click function right under the next_fs variable declaration next_fs = $(this).parent().next(); you could try something like the following:
if (current_fs.find('input:radio:checked').length == 0) {
// Add error message handling here
return false;
}
That will see if there are any radio buttons checked in the current frame and then cancel the button click event if there are none. You can also have an error message popup right before returning false.
I didn't re-create and test it, as trying to push myself to read that giant glob of code was painful enough, but I think that'll help you out. If it doesn't work let me know.

Have you tried using "required" field ? That might help.
For Example:
input type = "text" placeholder = "Enter Name" required

How to add a value to a textbox using a submit?

I have two submit buttons namely "Approve" and "Reject". Both of them go to one controller file so I set the controller file on the action tag of the form.
What I want is that when I click Approve, it sets the value of the hidden field named 'Decision' with 'Approved' and when I click 'Reject', the value of the hidden field will be 'Rejected' then the form will continue to submit to the designated controller.
However, the form continues to the controller but the decision field is empty.
Also, when I tried to put an 'alert' on the javascript function, it is not showing everytime I click the submit buttons eventhough I used the onClick tag.
Can someone suggest a working code for this? Thank you. :)

So I believe form actions have precedence over javascript and other stuff like animations.
To answer your question: you can make the submit buttons just normal buttons like so:
<input id='accept-button' type='button' name='accept' value='Accept' />
and add an event listener to it that changes the value of the hidden field when clicked then submits the form:
document.getElementById('accept-button').addEventListener("click", function () {
var hiddenid = document.getElementById('hidden');
var formid = document.getElementById('form-id');
hiddenid.value = 'Accepted';
formid.submit();
});
After a quick search I found a better solution from this question's accepted answer. It uses jquery though.

How do you write strings to the middle of a web page?

I'm trying to have users enter info into a form (via radio buttons), manipulate the input data, and write resulting text onto the middle of a web page--beneath the radio buttoned form. So I have variables assigned to whenever a user selects a radio button, the onClick event calling a function something like:
function saveValue1(value) {
someVariable=value;<br>
}
And when users click a Submit button, a function works like it's supposed to, ultimately writing an output string. The problem is how to write the string value in the middle of the page. I have this [pseudo]code at the end of the function (pretend the string I want to write to the page is named aVariable):
document.getElementById('aPlace').innerHTML=aVariable;
And of course there's HTML in the displayed page like this:
<div id="aPlace"></div>
After a user pressed the form's Submit button the correct output variable is displayed very briefly, and then disappears. Why is this? And how should I be writing this code instead?
Thanks for helping a newbie, as always.

The form is probably submitted. put a "return false" at the end to stop it submitting the form

It seems that the browser is refreshing? How is the form data handled?
If the form is needed only to add the text to the page, I would add a button
<button onclick="saveValue1("+value+");")>
and avoid submitting the form.