capitalize the first letter of string in javascript code example
Example 1: capitalize first letter javascript
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
console.log(capitalizeFirstLetter('foo bar bag')); // Foo
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({}) //''