first letter capital in js 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: javascript capitalize first letter of each word
function titleCase(str) {
var splitStr = str.toLowerCase().split(' ');
for (var i = 0; i < splitStr.length; i++) {
// You do not need to check if i is larger than splitStr length, as your for does that for you
// Assign it back to the array
splitStr[i] = splitStr[i].charAt(0).toUpperCase() + splitStr[i].substring(1);
}
// Directly return the joined string
return splitStr.join(' ');
}
document.write(titleCase("I'm a little tea pot"));
Example 4: first letter capital in javascript
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
console.log(capitalizeFirstLetter('foo')); // Foo
Example 5: capitalize first carater js
const capitalize = (s) => {
if (typeof s !== 'string') return ''
return s.charAt(0).toUpperCase() + s.slice(1)
}
capitalize('flavio') //'Flavio'
capitalize('f') //'F'
capitalize(0) //''
capitalize({}) //''
Example 6: captitalize js
function capitalize2(str) {
str = str.toLowerCase();
const arrOfWords = str.split(" ");
const arrOfWordsCased = [];
for (let i = 0; i < arrOfWords.length; i++) {
const char = arrOfWords[i].split("");
char[0] = char[0].toUpperCase();
res.push(char.join(""));
}
return arrOfWordsCased.join(" ");
}