getting the id of a given child, doesnt work in ff but does in safari

L

libsfan01

in firefox the following alert does not get created from my function:

ch = container1.childNodes(0).id;
alert(ch)

can anyone tell why this might not work in firefox but does in safari?

thanks

marc
 
R

RobG

libsfan01 said:
in firefox the following alert does not get created from my function:

ch = container1.childNodes(0).id;

childNodes is a list, not a function - some browsers are confused about
that:

var ch = container1.childNodes[0].id;
 
G

Geoffrey Summerhayes

in firefox the following alert does not get created from my function:

ch = container1.childNodes(0).id;
alert(ch)

can anyone tell why this might not work in firefox but does in safari?

Are you getting an error in the console?
 
A

ASM

Geoffrey Summerhayes a écrit :
Why it could work in Safary I don't know,
but why it doesn't work in FF :
because the first chidNode in FF is an invisible text node (without id)
and anyway ... it is :

ch = container1.childNodes[0];
Are you getting an error in the console?

He can also have a look in Firefox's DOM inspector ( #text )

test :
======
ch = container1.childNodes[0];
alert(ch.nodeName);
 
G

Geoffrey Summerhayes

Geoffrey Summerhayes a écrit :

Why it could work in Safary I don't know,
but why it doesn't work in FF :
because the first chidNode in FF is an invisible text node (without id)
and anyway ... it is :

ch = container1.childNodes[0];

Actually the absence of id wouldn't cause a problem for this,
FF would show 'undefined' in the alert box. Round brackets
as opposed to square definitely are the culprit.
He can also have a look in Firefox's DOM inspector ( #text )

Depends a lot on what container1 is, a text node isn't always
the first child.

But it's always a good idea to learn to use the tools that are
there to make the job easier.
 

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