The String toLowerCase() method
By Flavio Copes
Learn how the JavaScript toLowerCase() method returns a new string with all the text in lower case, without mutating the original or taking any parameter.
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Return a new string with the text all in lower case.
Does not mutate the original string.
Does not accept any parameter.
Usage:
'Testing'.toLowerCase() //'testing'Works similarly to toLocaleLowerCase(), but does not consider locales at all.
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