Laugh Function

/*
 * Programming Quiz: Laugh it Off 2 (5-2)
 */
 
// declare your function
// then, call it!
// print the output with console.log

function laugh(num){
    var x = 1;
    var output = "";
    while ( x <= num ){
        output += "ha";
        x++;
    }
    return output + "!";
}
console.log(laugh(3));