Revision: 10954
Initial Code
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at January 19, 2009 08:39 by tonic
Initial Code
var foo = "bar";
if ( typeof( window[ 'foo' ] ) != "undefined" ) {
document.write("foo is defined")
} else {
document.write("foo is undefined")
}
Initial URL
http://www.rgagnon.com/jsdetails/js-0112.html
Initial Description
Initial Title
Test if variable exists
Initial Tags
Initial Language
JavaScript