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JavaScript String toLowerCase() Method

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Convert the string to lowercase letters:

var str = "Hello World!";
var res = str.toLowerCase();

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The result of res will be:

hello world!

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Definition and Usage

The toLowerCase() method converts a string to lowercase letters.

Note: The toLowerCase() method does not change the original
string.

Tip: Use the toUpperCase()
method to convert a string to uppercase letters.

Method
toLowerCase()	Yes	Yes	Yes	Yes	Yes

string.toLowerCase()

None.

Return Value:	A String, representing the value of a string converted to lowercase
JavaScript Version:	ECMAScript 1

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