checkbox onclick check another checkbox

Terje · Nov 17, 2004

Title says all, if a user check checkbox1 chechbox3 will also be checked,
how do I do this? Have searched around but kan only find out how to check
the same box

Terje

Evertjan. · Nov 17, 2004

Terje wrote on 17 nov 2004 in comp.lang.javascript:

Title says all, if a user check checkbox1 chechbox3 will also be checked,
how do I do this? Have searched around but kan only find out how to check
the same box

<input type=checkbox
onclick="if(this.checked)
document.getElementById('cb3').checked=true">checkbox1<br>

<input type=checkbox id=cb3>checkbox3

Terje · Nov 17, 2004

tanks....

Evertjan. said:
Terje wrote on 17 nov 2004 in comp.lang.javascript:

<input type=checkbox
onclick="if(this.checked)
document.getElementById('cb3').checked=true">checkbox1<br>

<input type=checkbox id=cb3>checkbox3

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress,
but let us keep the discussions in the newsgroup)

Mick White · Nov 17, 2004

Evertjan. said:
<input type=checkbox
onclick="if(this.checked)
document.getElementById('cb3').checked=true">checkbox1<br>

<input type=checkbox id=cb3>checkbox3

<input type="checkbox"
onclick="document.getElementById('cb3').checked=this.checked"> checkbox1<br>

<input type="checkbox" id="cb3">checkbox3

Mick

RobB · Nov 18, 2004

Terje said:
tanks....

Title doesn't really 'say it all'...what happens when the user
un-checks checkbox3? Oh, well....

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">

<html>
<head>
<title>untitled</title>
</head>
<body>
<form style="width:100px;">
<input type="checkbox" name="checkbox1" value="on"
onclick="checkbox3.checked=this.checked" /> checkbox1
<input type="checkbox" name="checkbox2" value="on" /> checkbox2
<input type="checkbox" name="checkbox3" value="on" /> checkbox3
</form>
</body>
</html>

Evertjan. · Nov 18, 2004

Mick White wrote on 18 nov 2004 in comp.lang.javascript:

<input type="checkbox"
onclick="document.getElementById('cb3').checked=this.checked">
checkbox1<br>

<input type="checkbox" id="cb3">checkbox3

Very nice, but not what the OP asked !!!

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checkbox onclick check another checkbox

Terje

Evertjan.

Terje

Mick White

RobB

Evertjan.

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