JavaScript Video Tutorial - The Flexibility of Function Arguments in JavaScript

In this tutorial we look at the flexibility of JavaScript function arguments and talk about more advanced techniques like passing multiple arguments into a function by calling an index value.

[kylekinz]

This is very helpful for someone who is working to grasp all of the basic aspects of functions. Thank you.

[osherezra]

great stuff keep it up, can you show a live example and practical use ?

[DaemonSharkSpiritOfFire]

How do you check if a parameter has received an argument on function call?
Is
if (param3! == undefined) {}
?