Tag: undefined function

Using Javascript to Keep Us Safe From Terrorists

Someone buy the Federal government a Safari Online Subscription before we get attacked again by terrorists. Apparently, the Department of Defense and Department of Homeland Security regularly make use of my blog for help with Javascript: I rest easier knowing...

/ February 27, 2013

Check if a Javascript Function Exists or Is Defined

It’s always frustrating when you get an error trying to call a function that hasn’t been defined but there’s an easy way ┬áto prevent this. To check if a Javascript function exists before calling it, try this: if (typeof yourFunctionName...

/ January 26, 2013