JavaScript quiz

Which loop is faster in JavaScript? *

for

while

What will be alerted by the code bellow? *

var str = 'my-'; alert(str.split('-')[1]);

Error

An empty string

"-"

"my"

What is server-side JavaScript? *

JS scripts files placed on the server that can be publicly accessed by the client

JS engine running on the server accessible via http

Is it possible to have private and public methods in a JavaScript object *

Yes

No