
iife - What is the (function () { } ) () construct in JavaScript ...
Correction suggested by Guffa: The function is executed right after it's created, not after it is parsed. The entire script block is parsed before any code in it is executed. Also, parsing code doesn't …
javascript - What does $ (function () {} ); do? - Stack Overflow
$ = function() { alert('I am in the $ function'); } JQuery is a very famous JavaScript library and they have decided to put their entire framework inside a function named jQuery. To make it easier for people to …
What is the purpose of a self executing function in javascript?
508 It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be written without concern of …
What is "function*" in JavaScript? - Stack Overflow
Mar 8, 2012 · 12 The function* type looks like it acts as a generator function for processes that can be iterated. C# has a feature like this using "yield return" see 1 and see 2 Essentially this returns each …
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, …
Dec 8, 2010 · 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 const char …
What does (function($) {})(jQuery); mean? - Stack Overflow
May 30, 2010 · (function(doc){ doc.location = '/'; })(document);//This is passed into the function above As for the other questions about the plugins: Type 1: This is not a actually a plugin, it's an object passed …
Newest 'function' Questions - Stack Overflow
4 days ago · I know that it's possible to take the address of an inline function, just like with ordinary functions. But if each translation unit has its own inline definition, and I take the address of the ...
What does the exclamation mark do before the function?
Mar 15, 2023 · 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 …
What is the difference between a function and a subroutine?
A function is outside the namespace of the rest of the program. It is like a separate program that can have the same variable names as used in the calling program, and whatever it does to them does …
var functionName = function() {} vs function functionName() {}
Dec 3, 2008 · The difference is that functionOne is a function expression and so only defined when that line is reached, whereas functionTwo is a function declaration and is defined as soon as its …