javascript getelementsbytagname array
javascript getelementsbytagname array Questions
Javascript Radio button checker?
I’m having trouble making a script that creates a array for all radio buttons on a page and then checks them. This is what I have so far.
var radbuttons = document.getElementsByTagName(‘radio’);
for (var i = 0; i < radbuttons.length; i++)
{
radbuttons[i].checked
}
Where did I go wrong?
The tag name is actually ‘input’ not radio. So that should probably not work. I would be surprised if it did.
There are a couple of different things you could do here, but this is probably the most straightforward.
var inputs = document.getElementsByTagName(‘input’);
for (var i = 0; i < inputs.length; i++)
{
if(inputs[i].type = = "radio"){
inputs[i].checked = true;
}
}
You can also give the radios the same name, name="myradio" and then access that with getElementsByName() or, document.yourformname.myradio[i]
It seems there should be such a method as getElementsByType().. But I've never heard of such.
Good luck.
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