first letter uppercase typescript code example

Example 1: javascript capitalize first letter

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

Example 2: capitalize in javascript

const name = 'flavio'
const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)

Example 3: javascript capitalize

myString = 'the quick green alligator...';
myString.replace(/^\w/, (c) => c.toUpperCase());

myString = '    the quick green alligator...';
myString.trim().replace(/^\w/, (c) => c.toUpperCase());

Example 4: capitalize first letter of all word typescript

//Altered, "capitalize all words of a string" (javascript by Grepper on Jul 22 2019) answer to compatible with TypeScript

var myString = 'abcd abcd';

capitalizeWords(text){
  return text.replace(/(?:^|\s)\S/g,(res)=>{ return res.toUpperCase();})
};

console.log(capitalizeWords(myString));

//result = "Abcd Abcd"