Augusto Goulart
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Javascript

Checking if an Object Exists in an Array

The includes() method in JavaScript allows you to check if a value exists in an array. For primitive types, you can do: const primitiveArray = [1,2,3,4,5] primitiveArray.includes(3) > true You can also pass a second optional argument to includes() defining the first index of the

  • Augusto Goulart
Augusto Goulart Jan 14, 2021 • 1 min read
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