How do I change the value of an element when another element is changed

How do I change the value of an element when another element is changed

cj1005cj1005 Posts: 144Questions: 46Answers: 1

Hi,

I have a custom template on my editor and after I change the value of a field, I want to programmatically change another field.

I tried doing it via JQuery, but the change event does not fire, see my code below, in this example I'm just trying to replace the value of a target element with the value of the source element (both of these elements are input boxes):

$('#source').change( function () {
  console.log("source changed");
  var newVal = $('#source').val();
  $('#target').val(newVal);
});

Maybe I'm going about this the wrong way, so any advice would be appreciated?

TVM, Chris

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Answers

  • cj1005cj1005 Posts: 144Questions: 46Answers: 1
    Answer ✓

    Hi All,

    Don't worry I have answered my own question.

    If it is of any use to anyone, the answer was because the element is created dynamically it does not exist at page init, so I had to attach the event to the main document with the source as the target of the change, see below:

    $(document).on('change', '#source', function(){
      console.log("source changed");
      var newVal = $('#source').val();
      $('#target').val(newVal);
    });
    

    Chris

  • allanallan Posts: 63,523Questions: 1Answers: 10,473 Site admin

    Thanks for posting back - good to hear you have it working now.

    Allan

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