I'm not sure of the technical term for what i'm trying to achieve, so it makes searching for the solution difficult, however this is probably useful for other newcomers.

Here's a fiddle for you with an example: And here's a link with more information: By posting your answer, you agree to the privacy policy and terms of service. Stack Overflow Questions Developer Jobs Documentation beta Tags Users.

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Stack Overflow is a community of 7. Join them; it only takes a minute: How to make a javascript function with optional callback paramters Ask Question. Saruman 1, 1 12 How is different from a function with any other optional parameter?

What's specific about "optional callbacks"? All JS parameters are optional already.

Understand JavaScript Callback Functions and Use Them | JavaScript is Sexy

Are the callbacks optional or do the callbacks have the option of accepting parameters? Lochlan 1, 1 13 You could do this two ways I guess.

Either you have a default option, something like: Or you can check if the callback is set, and if it is call it. Sign up or log in StackExchange.

Understanding callback functions in Javascript – Michael Vollmer

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javascript - Passing optional callback functions with parameters - Stack Overflow

Could you please describe better what you expect from such a function? MathOverflow Mathematics Cross Validated stats Theoretical Computer Science Physics Chemistry Biology Computer Science Philosophy more 3.

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