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quick note: Javascript equivalent to PHP isset variable

Check to see whether or not a variable has been declared

if ( typeof ( $variable ) == ‘undefined’ )

{}
else
{}

This entry was posted on Saturday, April 3rd, 2010 at 12:57 pm and is filed under JavaScript. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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