includes() method is intentionally generic. It does not require this value to be an Array object, so it can be applied to other kinds of objects (e.g. array-like objects).
Read moreWhat to use instead of includes in JavaScript?
indexOf() The Array#indexOf() function is a common alternative to includes() . The indexOf() function returns the first index in the array at which it found valueToFind , or -1 otherwise.
Read moreAre Includes case sensitive?
Both String#includes() and String#indexOf() are case sensitive . Neither function supports regular expressions. To do case insensitive search, you can use regular expressions and the String#match() function, or you can convert both the string and substring to lower case using the String#toLowerCase() function.
Read moreIs includes JavaScript case sensitive?
Note: The includes() method is case sensitive i.e, it will treat the Uppercase characters and Lowercase characters differently.
Read moreHow do you use Lodash lowercase?
Lodash – lowerCase method
Read moreHow do I make a search not case-sensitive in JavaScript?
To do case insensitive search, you can use regular expressions and the String#match() function , or you can convert both the string and substring to lower case using the String#toLowerCase() function.16 May 2019
Read moreHow do you check if a string contains a particular substring in JavaScript?
The includes() method returns true if a string contains a specified string. Otherwise it returns false . The includes() method is case sensitive.
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