How To Check Value Exists In An Array Using Javascript Developer Diary

How To Check Value Exists In An Array Using Javascript Developer Diary 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 value = 1;. You can use the indexof () method to check whether a specific value exists in an array or not. the indexof () method returns the index of the element within the array if found, and 1 if not found.

Check If A Value Exists In An Array Using Javascript Murtaja Ziad Description the 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.

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