Javascript: 101 Week 1 Track 2

164-exercise21.js

(4 >= 6 || "grass" != "green") && !(12 * 2 == 144 && true)

164-exercise22.js

var total = 2;
var count = 1;
while (count < 10) {
    total = total * 2;
        count = count + 1;
}
alert(total);

164-exercise23.js

var triangle = "";
var line = 0;
while (line < 10) {
    var count = 0;
        line = line + 1;
        hash = "";
        while (count < line) {
            hash = hash + "#";
            count = count + 1;
        }
        triangle = triangle + hash + '\n';
}
alert(triangle);

164-exercise24a.js

for (var total = 2, count = 1; count < 10; count++) {
    total = total * 2;
}
alert(total);

164-exercise24b.js

for (var line = 0, triangle = ""; line < 10; line++) {
    for (var count = 0, hash = ""; count <= line; count++) {
        hash = hash + "#";
    }
    triangle = triangle + hash + '\n';
}
alert(triangle);

164-exercise25.js

var theNumber = prompt('What the value of 2 + 2 is?', '');
if (theNumber == '4')
    alert('Correct! Well done.');
else if (theNumber == '3' || theNumber == '5')
    alert('Almost!');
else
    alert('Ops! Please try again!');

164-exercise26.js

while (true) {
    var theNumber = prompt('What the value of 2 + 2 is?', '');
    if (theNumber == '4') {
        alert('Correct! Well done.');
        break;
    }
    else if (theNumber == '3' || theNumber == '5')
        alert('Almost!');
    else
        alert('Ops! Please try again!');
}

164-exercise31.js

function absolute(number) {
    if (number < 0)
        return -number;
    return number;
}

164-exercise32.js

function greaterThan(number1) {
    function test(number2) {
        return number2 > number1;
    }
    return test;
}

var greaterThanTwenty = greaterThan(20);
alert(greaterThanTwenty(52));
alert(greaterThanTwenty(10));