Javascript String toLowerCase()

 const message = "JAVASCRIPT IS FUN"; 
// convert message to lowercase const lowerMessage = message.toLowerCase();
 console.log(lowerMessage); // Output: javascript is fun

toLowerCase() Syntax

The syntax of the toLowerCase() method is:

 str.toLowerCase()

Here, str is a string.

toLowerCase() Parameters

The toLowerCase() method does not take in any parameters.

toLowerCase() Return Value

• Returns a new string representing the calling string converted to lowercase.

Example: Using toLowerCase() method

 let str = "Hello World!"; let sentence = "Java is to JavaScript what Car is to Carpet."; 
let lowercase_str = str.toLowerCase();
 console.log(lowercase_str); // hello world! 
let lowercase = sentence.toLowerCase();
 console.log(lowercase); // java is to javascript what car is to carpet.

Output

 hello world! java is to javascript what car is to carpet.

Also Read:

• JavaScript String toUpperCase()