filter() – returns an array of elements that satisfies the given filter expression/function.Methods to Find Elements in an ArrayĪt a high level, we can use one of the following methods to find an element or element index in the array.
Marks.forEach(checkPassAndPrint) //Print 90 44 76 1. const marks = Ĭonsole.log( marks.filter(checkPass) ) //Ĭonsole.log( marks.find(checkPass) ) //90Ĭonsole.log( marks.findIndex(checkPass) ) //0Ĭonsole.log( marks.some(checkPass) ) //true In this tutorial, we will go through each method separately and understand its usage with an example. We can use these methods in TypeScript as well. JavaScript provides various methods to find elements in the array.
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