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How to prevent form submission for a form using onchange to submit the form when certain values are selected


How to prevent form submission for a form using onchange to submit the form when certain values are selected

By : Ghulam
Date : November 22 2020, 07:01 PM
it should still fix some issue I have a form I have built:
code :


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jquery mobile form submit resets form when trying to prevent submission

jquery mobile form submit resets form when trying to prevent submission


By : Hlodnb
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I made a small adjustment to @Gajotres jsFiddle:
http://jsfiddle.net/bGdM6/1/
code :
$('#submit-btn').on('click', function(event) {
    if ($('#barcode').val() != '') {
        alert('Submit');
        $('#microForm').submit(); // <-- submit the form
    } else {
        alert('Insert Barcode');
        event.preventDefault();
        return false;
    }
});
<div data-role="page" id="index">
    <div data-theme="a" data-role="header">
        <h3>
            First Page
        </h3>
        <a href="#second" class="ui-btn-right">Next</a>
    </div>

    <div data-role="content">
        <form id="microForm">
            <input type="text" value="" id="barcode"/>
            <input type="submit" id="submit-btn" value="Submit"/>
        </form>
    </div>

    <div data-theme="a" data-role="footer" data-position="fixed">

    </div>
</div>  
jQuery change selected attr of form and submit form onchange

jQuery change selected attr of form and submit form onchange


By : Geoten
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Because you don't save last selected value , the default selected value is the first value in options.
If you want to keep last selected attribute , you can use cookie or use PHP code check selected value after submit page
VueJS prevent form submission on submit and submit the form on keyup

VueJS prevent form submission on submit and submit the form on keyup


By : Mac Richton
Date : March 29 2020, 07:55 AM
should help you out Vue is not overriding the DOM default behavior, if you decide to access the DOM API directly while bypassing vue mechanics (e.g. document.forms) If you want to submit a form without the redirection, you have to do ajax request. you have to use axios (my personal choice). because you are trying to submit the form directly ...in order to keep up with the default form submission data format, I assume you need to sereialize the data as application/x-www-form-urlencoded format. check the docs.
see the code:
code :
onKeyUp: function() {
  axios.post("/searchuser", qs.stringify({ inputValue: inputValue }));
  this.inputFocused = true;
},
Prevent form submission if no fields have selected values

Prevent form submission if no fields have selected values


By : Albert Cespedes
Date : March 29 2020, 07:55 AM
it fixes the issue I think this is what you are after. (I took liberty with the button. I can change it back if you like.)
Simple solution:
code :
let c = document.forms[0].elements['company'];
let s = document.forms[0].elements['states[]'].options

function check() {
  if(!c.value && s.selectedIndex === -1){
  alert('no way! must do one or the other');
  }
}
<form method="POST" name="udate" onsubmit="return anyvalidate();">
  <input type="text" name="company">
  <select name="states[]" multiple="multiple">
<option value="California">California</option>
<option value="Colorado">Colorado</option>
</select>
  <input type="button" value="Check" onclick="check()" />
  </div>
</form>
Squarespace: form submission failure: After successfully processing form data with JavaScript, the form doesn't submit t

Squarespace: form submission failure: After successfully processing form data with JavaScript, the form doesn't submit t


By : iosdeveloper721
Date : March 29 2020, 07:55 AM
will help you I find this error message is often the result of either:
Fields required by MailChimp were not filled in on the form (double check you are requiring and filling in fields consistently during your tests), or The person (email address) is already in the MailChimp list. The email address was previously on the list, but was deleted. MailChimp will not re-add deleted users.
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