Closure (computer programming): Difference between revisions

Revision as of 14:01, 11 February 2025

Revision as of 03:37, 1 March 2025

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The arrow operator <code>=></code> is used to define an [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow%20functionsArrow_functions arrow function expression], and an <code>Array.filter</code> method<ref>{{cite web |url=https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Array/filter |title=array.filter |work=Mozilla Developer Center |date=10 January 2010 |access-date=2010-02-09}}</ref> instead of a global <code>filter</code> function, but otherwise the structure and the effect of the code are the same.

A function may create a closure and return it, as in this example: