js make first letter uppercase 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 first letter uppercase
const upperCase = function(names){
const toLower = names.toLowerCase().split(' ');
const namesUpper = [];
for(const wordName of toLower){
namesUpper.push(wordName[0].toUpperCase() + wordName.slice(1));
}
return namesUpper.join(' ');
}
Example 4: js capitalize first letter of each word
function capitalize(str) {
const arrOfWords = str.split(" ");
const arrOfWordsCased = [];
for (let i = 0; i < arrOfWords.length; i++) {
const word = arrOfWords[i];
arrOfWordsCased.push(word[0].toUpperCase() + word.slice(1).toLowerCase());
}
return arrOfWordsCased.join(" ");
}
Example 5: js capitalize first letter of each word
const titleCase = title => title
.split(/ /g).map(word =>
`${word.substring(0,1).toUpperCase()}${word.substring(1)}`)
.join(" ");
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(" ");
}