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Answer by Krishna Ganeriwal for How do I check if an array includes a value in JavaScript?

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  1. Either use Array.indexOf(Object).
  2. With ECMA 7 one can use the Array.includes(Object).
  3. With ECMA 6 you can use Array.find(FunctionName) where FunctionName is a user defined function to search for the object in the array.

    Hope this helps!


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