javascript uppercase first letter
//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(); });
};return first letter of string javascript in uppercase
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
console.log(capitalizeFirstLetter('foo')); // Foojs first letter to uppercase
function capitalizeFirstLetter(name) {
return name.replace(/^./, name[0].toUpperCase())
}uppercase first letter javascript
const names = ["alice", "bob", "charlie", "danielle"];
const namesCap = names.map((name) => {
return `${name[0].toUpperCase()}${name.slice(1)}`;
});
console.log(namesCap);How do I make the first letter of a string uppercase in JavaScript?
//1 using OOP Approach
Object.defineProperty(String.prototype, 'capitalize', {
value: function() {
return this.charAt(0).toUpperCase()+ this.slice(1).toLowerCase();
},
enumerable: false
});
function titleCase(str) {
return str.match(/\w\S*/gi).map(name => name.capitalize()).join(' ');
}
//-------------------------------------------------------------------
//2 using a simple Function
function titleCase(str) {
return str.match(/\w\S*/gi).map(name => capitalize(name)).join(' ');
}
function capitalize(string) {
return string.charAt(0).toUpperCase() + string.slice(1).toLowerCase();
}Copyright © 2021 Codeinu
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