JavaScript String toLowerCase() method

The toLowerCase() method in JavaScript is used to convert all the characters in a string to their lowercase equivalent. This method does not take any arguments, and returns a new string with all the characters in the original string converted to lowercase.

Here is an example of how the toLowerCase() method works:

const string1 = 'Hello, world!';

const result = string1.toLowerCase();

// the result will be: 'hello, world!'

In the code example above, we first declare a string called string1 that contains the text Hello, world!. We then use the toLowerCase() method to convert all the characters in the string1 string to their lowercase equivalent. The toLowerCase() method does not take any arguments, so we simply call the method on the string1 string without passing any arguments.

As a result of calling the toLowerCase() method, the result variable will be set to 'hello, world!', which is the string1 string with all the characters converted to lowercase. If the string1 string did not contain any uppercase characters, the result variable would be set to the original string1 string.

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