![]() ![]() ECMAScript 5 (ES5) added the methods indexOf and lastIndexOf, while ECMAScript 2015 (ES6) brought find, findIndex, and many other nifty improvements to the language. However, more recent versions of JavaScript introduced better support for searching in an Array. It’s a very effective way to iterate over a collection of items and is a staple of many programming languages. There is nothing wrong with our good old for loop. Typically in those versions, when performing a search, a for loop would be the main resource to iterate through the elements and check them individually. ![]() The goal is to either find the given element’s location or to determine that the element is not part of the collection altogether.Įarlier versions of JavaScript offered a limited set of array search methods. ![]() Locating an element in a list or array is a common task in software development. ![]()
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