[thelist] Re: Javascript empty array question

Peter-Paul Koch gassinaumasis at hotmail.com
Mon Jan 28 09:49:01 CST 2002


>That would work for a boolean value, but length returns an int value. So,
>
>if (errormessage.length == 0)
>  // array is empty

if (!property) returns true if

a) the property is boolean 'false'
b) the property is number 0
c) the property is an empty string ''

So if (!errormessage.length) works fine.

ppk

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