indexOf is good when you need the index. If you just want to know whether the value is in the array or not, you then have to test the result against -1. Alternatively you could use .includes() to get true or false directly.
Yup that’s correct! But indexOf tells you precisely where the value is found…✅
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indexOf is good when you need the index. If you just want to know whether the value is in the array or not, you then have to test the result against -1. Alternatively you could use .includes() to get true or false directly.
Yup that’s correct! But indexOf tells you precisely where the value is found…✅