My file input value has value even if I clear it

Question

As you see in the screenshot. I choose a file, leave the pop up without refreshing the page and open it again, and the file input still has the file I picked.

<input id="fileuploadbannermobile" type="file" name="files[]">

I try this when the pop up opened.

$("#fileuploadbannermobile").val('');

But it doesn't seem to solve the issue.

screenshot

Could you create a runnable snippet (and test that it does show the problem) thanks. See stackoverflow.com/help/minimal-reproducible-example — A Haworth
– A Haworth, Commented Dec 10, 2022 at 20:52
Also, use trigger('change'); Like :: $("#file").val('').trigger('change'); — Felix Tenn
– Felix Tenn, Commented Dec 10, 2022 at 21:05
The code you have should work fine. If it doesn't, it is something else you haven't shown here causing problems. How/when do you fire the reset? — Don't Panic
– Don't Panic, Commented Dec 10, 2022 at 23:13

Andrej Novák · Accepted Answer · 2022-12-10 20:51:13Z

1

Setting an input value to empty string or null should definitely work.

try setting a value to "" or null in vanila javascript

yourInput.value = null or yourInput.value = ""
also check if you are setting those values to the right input

It would also be useful to know what browser you use.

answered Dec 10, 2022 at 20:51

Andrej Novák

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4 Comments

Mert Over a year ago

<input id="fileuploadbannermobile" type="file" name="files[]"> thats my file input btw. maybe other attributes are the problem

Andrej Novák Over a year ago

@Mert first, name can not be a list. I prepared you a fiddle, try it: Fiddle link

Don't Panic Over a year ago

@AndrejNovák Why do you think plain JS will work when jQuery does not, I mean what do you think the problem is? Also, a name with square brackets like files[] is perfectly valid (example, example, example, ...)

Andrej Novák Over a year ago

@Don'tPanic you are right, i completely forget about that. "what do you think the problem is?" - at this point i can not be certain. Author did not provided the code where he is registering/executing events (during pop up opening), my guess is that the value setting is not triggered in any way.

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