How to check if the target variable is in an array?

 

This question already has an answer here:

  • How do you check if a variable is an array in JavaScript? [duplicate] 24 answers

    • you can use indexOf methd of array https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf

    if(doingGood.indexOf(target) !== -1){

    // do something

    }

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