Javascript - Check if a function exists
12 Jul 2010 à 14:27 par itimeteo
In order to check if a function exists before trying to call it (and get a fatal error), we can use typeof.
Here is the javascript code :
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if(typeof window.functionToCall == 'function') {
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// The function exists, so we can now call it :
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functionToCall('test', 'hipi!');
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}
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