js first letter uppercase
//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(); });
};how to change the first 3 letters from a string toupper case
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() ;
}
console.log(capitalizeFirstLetter('foo')); // Foo
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