toLowerCase() method. This method does not affect any of the special characters, digits, and the alphabets already in lowercase.
toLowerCase() with Arrays
You can also use
toLowerCase() with arrays. This is particularly useful when you want to normalize data for comparison.
toLowerCase() is very useful for case insensitive search. By converting both the source and target strings to lowercase, you can ensure that the search is case insensitive.
For more in-depth understanding, you can refer to MDN's documentation on toLowerCase().
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