javascript string capitalize first letter of each word 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: how to check if the first letter of a string is capitalized or uppercase in js

/**** Check if First Letter Is Upper Case in JavaScript***/
function startsWithCapital(word){
    return word.charAt(0) === word.charAt(0).toUpperCase()
}

console.log(startsWithCapital("Hello")) // true
console.log(startsWithCapital("hello")) // false

Example 3: capitalize first letter in each word javascript

search function

<ion-input [(ngModel)]="keyword" (ngModelChange)="toTitleCase($event)"  class="input-container" placeholder="Enter Input"></ion-input>


function capital_letter(str) 
{
    str = str.split(" ");

    for (var i = 0, x = str.length; i < x; i++) {
        str[i] = str[i][0].toUpperCase() + str[i].substr(1);
    }

    return str.join(" ");
}

console.log(capital_letter("Write a JavaScript program to capitalize the first letter of each word of a given string."));

Example 4: uppercase first letter js

function ucwords (str) {
  return (str + '').replace(/^([a-z])|\s+([a-z])/g, function ($1) {
    return $1.toUpperCase();
  });
}

console.log(ucwords("hello world"));