Who has ever seen a condition written this way?

The "?" seems to be called the conditional operator.


var points = prompt('How many points do you want on ten?');
var result = (points >= 5) ? "succeeded!" : "didn't succeed ;-)";
window.alert("You " + result);

This is called a ternary operator. As the name indicates ternary operators take three operands. The syntax is condition ? result1 : result2;
It is often used as a shortcut for an if..else statement.

For more info Google, e.g.

http://www.hscripts.com/tutorials/javascript/ternary.php

All advice is supplied packaged by intellectual weight, and not by volume. Contents may settle slightly in transit.

All right, that'll do it.