Making a custom HTML input element with a button element


I’m trying to design a custom input using the label tag and hiding the actual input but it seems it is not possible to use a button element for this purpose (Upload dialog won’t open when I click on the button I use the below code and both the input and button are inside the label element.
There is a change event listener listening on the input element
Is there a technical issue with using button for this purpose ?

<label class="label" data-toggle="tooltip" title="Change your avatar">
    <button type="button" id="avatar" class="btn btn-outline-warning">Upload Photo</button>
    <input type="file" id="input" name="image" accept="image/*" hidden />

I tried h3 or even img elements instead of button with this same code and they work.
only problem is with button element.

>Solution :

Your HTML is invalid. A label can only be associated with one form control.

After error recovery is applied, clicking on the label will trigger the first form control inside it. That is the <button> not the <input>.

  • Remove the button.
  • Apply any CSS you want to the label itself
  • Add tabindex to the label so it can be selected without a mouse/trackpad/etc
  • Add a keypress event listener so the file input can be triggered without a mouse/trackpad/etc
document.querySelector('label').addEventListener('keypress', (event) => {
  if (["Enter", " "].includes(event.key)) {'input').click();
  } else console.log(event.key);
<label class="label" data-toggle="tooltip" title="Change your avatar" tabindex="0">
    Upload Photo
    <input type="file" id="input" name="image" accept="image/*" hidden />

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