//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(); });
};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')); // Fooconst lower = 'this is an entirely lowercase string';
const upper = lower.charAt(0).toUpperCase() + lower.substring(1);// for lowercase on first letter
let s = "This is my string"
let lowerCaseFirst = s.charAt(0).toLowerCase() + s.slice(1)"variant_missing_ean" to "Variant Missing Ean"