capitalize first letter and last letter javascript code example
Example 1: javascript capitalize words
//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(); });
};
Example 2: capitalize first carater js
const capitalize = (s) => {
if (typeof s !== 'string') return ''
return s.charAt(0).toUpperCase() + s.slice(1)
}
capitalize('flavio') //'Flavio'
capitalize('f') //'F'
capitalize(0) //''
capitalize({}) //''