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Question

How to make a <input type=“radio” />
button be able to unclick

Answer 1

I kept finding articles saying this can't be done, so I made one:
https://code.sololearn.com/WBFDfvTGTeAs/?ref=app

There might be a better way. I didn't find one.

Event info:
change() only fires on click when it's unchecked (they're not designed to be erasable like this).
change() fires first, so "checked=true" is always set when click() fires
Either it was true already, or change() just set it true.
Since click() cannot tell the difference between "just set" and "already set", I keep a record that change() just fired -- for 50ms -- ok for the code / unlikely people will be toggling that fast.

Answer 2

thx guys i got it

Answer 3

Hmmm...

Can I ask why you want the radio to be unchecked? Maybe an example would help. Otherwise, I suspect that Kirk and I would spend quite a bit of effort stabbing in the dark. :)