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Tom Lawrence
8,685 PointsMethods ()
Hi,
Any tips on working out what goes between the () in a method?
The vids so far tell you what to put in them, but when i check W3c to read more about a method its not always clear on what it can take between the ()
Any tips?
4 Answers
Dino Paškvan
Courses Plus Student 44,108 PointsWhat you are asking about are parameters that a function/method can take. There is no sure way to guess what parameters (if any) a function will take. You will have to take a look at the documentation for a particular function to see what parameters it takes.
Thankfully, when it comes to built-in objects/functions/methods, Mozilla provides great documentation for everything you might need, including what parameters functions take.
With enough practice, you'll soon know by heart what parameters commonly-used functions take.
Tom Lawrence
8,685 PointsOh i see that link makes it nice and clear.
Can a method be passed data then?
I was editing my post and my reply got out of order..
Tom Lawrence
8,685 PointsOh i see that link makes it nice and clear.
Can a method be passed data then?
Dino Paškvan
Courses Plus Student 44,108 PointsA function is a re-usable piece of code that turns input(s) into an output, or does something (also called a side effect). A method is a function that has been defined on a particular object.
In JavaScript the distinction is somewhat moot as all built-in functions are defined on objects, if none other, then the global window object.
Dino Paškvan
Courses Plus Student 44,108 PointsYes, a method acts the same way as a function. The only distinction is that you'd call a function like this: myFunction(someParameter); and a method like this: someObject.myMethod(someParameter);.
Tom Lawrence
8,685 Pointsthanks for clearing that up for me