//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 uppercaseWords = str => str.replace(/^(.)|\s+(.)/g, c => c.toUpperCase());
// Example
uppercaseWords('hello world'); // 'Hello World'function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
console.log(capitalizeFirstLetter('foo bar bag')); // Foofunction capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
console.log(capitalizeFirstLetter('foo')); // Fooconst names = ["alice", "bob", "charlie", "danielle"];
const namesCap = names.map((name) => {
return `${name[0].toUpperCase()}${name.slice(1)}`;
});
console.log(namesCap);