capitalize

Converts the first character of a string to uppercase and the rest to lowercase.

Syntax

capitalize(str: string): string

Parameters

Parameter	Type	Description
str	string	The string to be capitalized.

Returns

Type	Description
string	The resulting string with the first character in uppercase and the rest in lowercase.

Example

capitalize("exemplo"); // "Exemplo"
capitalize("eXEMPLO"); // "Exemplo"
capitalize(""); // ""

Notes

• Throws TypeError if the argument is not a string.
• Returns an empty string if the input is empty.

References

• MDN: String.prototype.charAt()
• MDN: String.prototype.toUpperCase()
• MDN: String.prototype.toLowerCase()