how to convert a character to uppercase in javascript code example
Example 1: uppercase javascript
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!
Example 2: capitalize in javascript
const name = 'flavio'
const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)
Example 3: uppercase in javascript
"foo bar!".toUpperCase();