//capitalize only the first letter of the string.
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
//capitalize all words of a string.
function capitalizeWords(string) {
return string.replace(/(?:^|\s)\S/g, function(a) { return a.toUpperCase(); });
};var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!const name = 'flavio'
const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)
const toCapitalCase = (string) => {
return string.charAt(0).toUpperCase() + string.slice(1);
};const capitalizeText = (text) =>{
return text.toLowerCase().charAt(0).toUpperCase()+(text.slice(1).toLowerCase())
}const capitalize = s => s && s[0].toUpperCase() + s.slice(1)
// to always return type string event when s may be falsy other than empty-string
const capitalize = s => (s && s[0].toUpperCase() + s.slice(1)) || ""