Is there a way to smoothly remove an attachment selected in the <input type="file"> element?
In Firefox, removing an already selected attachment can be tricky. Simply deleting the name or trying to click open may not work.
An additional solution might involve using onclick JavaScript to remove the value, but is there a more straightforward method similar to Chrome's attachment handling?
It seems that in Firefox, file inputs are kept in cache like any other input value and only get updated when a new value is added.
When using the cancel button on a file input, it doesn't clear the value. This aligns with the concept that "canceling" the action of selecting another file doesn't necessarily mean clearing the previous selection.
If you want to provide users with the ability to clear these inputs, you could consider adding a button for that purpose:
var fileInputs = document.querySelectorAll('input[type=file]'),
clearInputValue = function(){this.previousSibling.value = '';};
for(var i = 0; i < fileInputs.length; i++){
var button = document.createElement('button');
button.textContent = 'Clear';
button.addEventListener('click', clearInputValue);
fileInputs[i].parentNode.insertBefore(button, fileInputs[i].nextSibling);
}<input type="file"/><br>
<input type="file"/><br>
<input type="file"/><br>Alternatively, you can choose to clear the input each time a user searches for a new file:
var fileInputs = document.querySelectorAll('input[type=file]');
var clearInputValue = function(){this.value='';};
for(var i=0;i<fileInputs.length; i++)
fileInputs[i].addEventListener('click', clearInputValue);<input type="file"/><br>
<input type="file"/><br>
<input type="file"/><br>Is there a way to determine with JavaScript whether the browser is compatible with the CSS :first-child selector? ...
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