Created
April 11, 2017 01:21
-
-
Save michaelablackham/9104725b9e4743cd32532a783c304619 to your computer and use it in GitHub Desktop.
Logic Drills
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function main() { | |
try { | |
doAllTheThings(); | |
} | |
catch(e) { | |
console.error(e) | |
reportError(e); | |
} | |
} | |
function doAllTheThings() { | |
throw { | |
message: "Everything's ruined", | |
name: "FatalException", | |
toString: function(){return this.name + ": " + this.message;} | |
} | |
} | |
function reportError(e) { | |
$('.js-error-report').text("Uh oh, something went wrong! Here's what we know: " + e.message); | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) | |
Nothing to see here! | |
*/ | |
$(main); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function doTrafficLights() { | |
var activeLight = getActiveLight(); | |
console.log(activeLight); | |
if(activeLight === 'red') { | |
turnRed(); | |
} | |
else if(activeLight === 'yellow') { | |
turnYellow(); | |
} | |
else { | |
turnGreen(); | |
} | |
} | |
function turnOffLights() { | |
$('.traffic-light').removeClass('yellow-on red-on green-on'); | |
} | |
function turnGreen() { | |
turnOffLights(); | |
$('.green-light').addClass('green-on'); | |
} | |
function turnYellow() { | |
turnOffLights(); | |
$('.yellow-light').addClass('yellow-on'); | |
} | |
function turnRed() { | |
turnOffLights(); | |
$('.red-light').addClass('red-on'); | |
} | |
function getActiveLight() { | |
return (['red', 'green', 'yellow'])[Math.floor(Math.random() * 3)]; | |
} | |
function handleClicks() { | |
$('.js-control-lights').click(function() { | |
doTrafficLights(); | |
}); | |
} | |
$(handleClicks); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment