Testing for validity

Posted by Konrad on Stack Overflow See other posts from Stack Overflow or by Konrad
Published on 2010-05-24T11:49:15Z Indexed on 2010/05/24 12:01 UTC
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JavaScript

Hi,

I'd like to know the difference (if any) between the following:

if( someDOMElement.someProperty )
{
...

if( someDOMElement.someProperty != null )
{
...

if( someDOMElement.someProperty != undefined )
{
...

Is one safer than the others?

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Developer IT

Testing for validity - Developer IT

Testing for validity

JavaScript

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Integrating JavaScript Unit Tests with Visual Studio

Has Javascript developed beyond what it was originally designed to do?

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Javascript in XSL that is loaded by Javascript

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