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  1. What is the purpose of a self executing function in javascript?

    Actually, the above function will be treated as function expression without a name. The main purpose of wrapping a function with close and open parenthesis is to avoid polluting the global …

  2. What's the difference between __PRETTY_FUNCTION__, …

    Dec 29, 2023 · About __func__: "The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration: static …

  3. Defining and calling function in one step - Stack Overflow

    Dec 30, 2015 · Is there a way in Javascript to define a function and immediately call it, in a way that allows it to be reused? I know you can do one-off anonymous functions: (function(i) { var …

  4. What does the exclamation mark do before the function?

    function foo() {} Note that there’s no semicolon; this is just a function declaration. You would need an invocation, foo(), to actually run the function. Now, when we add the seemingly innocuous …

  5. What is the difference between a "function" and a "procedure"?

    Apr 6, 2009 · A function returns a value and a procedure just executes commands. The name function comes from math. It is used to calculate a value based on input. A procedure is a set …

  6. Define a function within another function in JavaScript

    I have a function whose structure is similar to the above. I want to abstract task 3 into a function, bar(), but I wish to limit the access of this function to only within the scope of foo(a).

  7. How to return a result from a VBA function - Stack Overflow

    When called within VBA the function will return a range object, but when called from a worksheet it will return just the value, so set test = Range("A1") is exactly equivalent to test = …

  8. Passing functions with arguments to another function in Python?

    Is it possible to pass functions with arguments to another function in Python? Say for something like: def perform (function): return function () But the functions to be passed will have argume...

  9. How to pass a function as a parameter in Java? [duplicate]

    More answers on how to use a Lambda function, or pass it as a parameter: simple example parameter as a function java.

  10. How can I declare optional function parameters in JavaScript?

    Oct 9, 2012 · Can I declare default parameter like function myFunc( a, b=0) { // b is my optional parameter } in JavaScript?