closures Archives - Page 2 of 3

What is a practical use for a closure in JavaScript?

I’m trying my hardest to wrap my head around JavaScript closures. I get that by returning an inner function, it will have access ...

May 13, 2022
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What underlies this JavaScript idiom: var self = this?

I saw the following in the source for WebKit HTML 5 SQL Storage Notes Demo: function Note() { var self = this; var ...

May 10, 2022
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Python nonlocal statement

What does the Python nonlocal statement do (in Python 3.0 and later)? There’s no documentation on the official Python website and help("nonlocal") does ...

May 7, 2022
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In PHP, what is a closure and why does it use the “use” identifier?

I’m checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny: public function getTotal($tax) { ...

May 5, 2022
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What is the purpose of a self executing function in javascript?

In javascript, when would you want to use this: (function(){ //Bunch of code... })(); over this: //Bunch of code... 20 s 20 It’s ...

May 3, 2022
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JavaScript closures vs. anonymous functions

A friend of mine and I are currently discussing what is a closure in JS and what isn’t. We just want to make ...

April 30, 2022
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Static variables in JavaScript

How can I create static variables in Javascript? 44 s 44

April 21, 2022
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What is the difference between a ‘closure’ and a ‘lambda’?

Could someone explain? I understand the basic concepts behind them but I often see them used interchangeably and I get confused. And now ...

April 17, 2022
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How are lambdas useful? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so ...

April 16, 2022
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JavaScript closure inside loops – simple practical example

var funcs =...

April 10, 2022
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