capitalize first letter jquery 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: javascript capitalize first letter

const lower = 'this is an entirely lowercase string';
const upper = lower.charAt(0).toUpperCase() + lower.substring(1);

Example 3: first letter capital in jquery

// Define function to capitalize the first letter of a string
function capitalizeFirstLetter(string){
  return string.charAt(0).toUpperCase() + string.slice(1);
}

// Calling function and display the result
var str1 = 'hi there!';
str1 = capitalizeFirstLetter(str1);
document.write(str1); // Print: Hi there!