Javascript If Value Is In Array

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Javascript If Value Is In Array

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16 Answers Sorted by 322 Try this if blockedTile indexOf 118 1 element found edited Mar 13 2012 at 3 44 adeneo 316k 29 400 390 answered May 3 2011 at 2 18 Bala R 108k 23 200 211 25 This doesn t work for old browsers like IE 9 There s a jQuery function for this api jquery jQuery inArray The simplest and fastest way to check if an item is present in an array is by using the Array.indexOf() method. This method searches the array for the given value and returns its index. If no item is found, it returns -1. const.

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Javascript If Value Is In ArrayThe includes() method returns true if an array contains a specified value. The includes() method returns false if the value is not found. The includes() method is case sensitive. Syntax. array .includes ( element, start) Parameters. Return Value. Browser Support. includes() is an ECMAScript7 (ES7) feature. In modern browsers which follow the ECMAScript 2016 ES7 standard you can use the function Array prototype includes which makes it way more easier to check if an item is present in an array const array 1 2 3 const value 1 const isInArray array includes value console log isInArray true

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