https://repl.it/C80f/12 created by sethopia

Nickname Generator (1.2).js

/*
	NICKNAME GENERATOR
	
	Write a naive nickname generator function that takes a name and returns the first 3 or 4 letters (4 letters if the 3rd is a vowel)
	
	eg  nickName("daniel") ==> 'dan'
		nickName("Beowulf") ==> 'Beow'
*/

function nickName(name) {
	if (name.charAt(2).toLowerCase() === "a" || name.charAt(2).toLowerCase() === "e" || name.charAt(2).toLowerCase() === "i" || name.charAt(2).toLowerCase() === "o" || name.charAt(2).toLowerCase() === "u") {
		return name.slice(0,4);
	} else {
		return name.slice(0,3);
	}
}

console.log(nickName("daniel"));
console.log(nickName("Beowulf"));

Nickname Generator (1.2)_console_dump.txt

Native Browser JavaScript
>>> dan
Beow