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week 8
- Loading branch information
Alex Mueller
committed
Mar 16, 2020
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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="utf-8"/> | ||
<title>Events: Task 1</title> | ||
<style> | ||
p { | ||
color: purple; | ||
margin: 0.5em 0; | ||
} | ||
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* { | ||
box-sizing: border-box; | ||
} | ||
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button { | ||
display: block; | ||
margin: 20px 0 20px 20px; | ||
} | ||
</style> | ||
<link rel="stylesheet" href="../styles.css" /> | ||
</head> | ||
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<body> | ||
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<section class="preview"> | ||
</section> | ||
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<button class="off">Machine is off</button> | ||
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</body> | ||
<script> | ||
let btn = document.querySelector('.off'); | ||
btn.addEventListener('click', updateButton) | ||
let off = true; | ||
function updateButton() { | ||
if (off) { | ||
btn.innerHTML = 'Machine is on'; | ||
off = false; | ||
} else { | ||
btn.innerHTML = 'Machine is off' | ||
off = true; | ||
} | ||
} | ||
</script> | ||
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</html> |
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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="utf-8"/> | ||
<title>Events: Task 2</title> | ||
<style> | ||
p { | ||
color: purple; | ||
margin: 0.5em 0; | ||
} | ||
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* { | ||
box-sizing: border-box; | ||
} | ||
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canvas { | ||
border: 1px solid black; | ||
} | ||
</style> | ||
<link rel="stylesheet" href="../styles.css" /> | ||
</head> | ||
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<body> | ||
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<section class="preview"> | ||
</section> | ||
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<canvas width="480" height="320"> | ||
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</canvas> | ||
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</body> | ||
<script> | ||
let canvas = document.querySelector('canvas'); | ||
let ctx = canvas.getContext('2d'); | ||
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function drawCircle(x, y, size) { | ||
ctx.fillStyle = 'white'; | ||
ctx.fillRect(0, 0, canvas.width, canvas.height); | ||
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ctx.beginPath(); | ||
ctx.fillStyle = 'black'; | ||
ctx.arc(x, y, size, 0, 2 * Math.PI); | ||
ctx.fill(); | ||
} | ||
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let x = 50; | ||
let y = 50; | ||
const size = 30; | ||
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drawCircle(x, y, size); | ||
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// Add your code here | ||
document.addEventListener('keypress', moveCircle); | ||
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function moveCircle(e) { | ||
let keyPressed = e.key.toLowerCase() | ||
console.log(keyPressed); | ||
switch (keyPressed) { | ||
case 'w': | ||
y -= 10 | ||
drawCircle(x, y, size) | ||
break; | ||
case 's': | ||
y += 10 | ||
drawCircle(x, y, size) | ||
break; | ||
case 'a': | ||
x -= 10 | ||
drawCircle(x, y, size) | ||
break; | ||
case 'd': | ||
x += 10 | ||
drawCircle(x, y, size) | ||
break; | ||
default: | ||
break; | ||
} | ||
} | ||
</script> | ||
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</html> |
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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="utf-8"/> | ||
<title>Events: Task 3</title> | ||
<style> | ||
p { | ||
color: purple; | ||
margin: 0.5em 0; | ||
} | ||
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* { | ||
box-sizing: border-box; | ||
} | ||
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button { | ||
display: block; | ||
margin: 20px 0 20px 20px; | ||
} | ||
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.button-bar { | ||
padding: 20px 0; | ||
} | ||
</style> | ||
<link rel="stylesheet" href="../styles.css" /> | ||
</head> | ||
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<body> | ||
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<section class="preview"> | ||
</section> | ||
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<div class="button-bar"> | ||
<button data-color="red">Red</button> | ||
<button data-color="yellow">Yellow</button> | ||
<button data-color="green">Green</button> | ||
<button data-color="purple">Purple</button> | ||
</div> | ||
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</body> | ||
<script> | ||
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let buttonBar = document.querySelector('.button-bar'); | ||
let section = document.querySelector('section'); | ||
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// Add your code here | ||
buttonBar.addEventListener('click', changeColor) | ||
function changeColor(e) { | ||
let color = e.target.dataset.color | ||
buttonBar.style.background = color | ||
} | ||
</script> | ||
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</html> |
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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="UTF-8"> | ||
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
<title>Web Form</title> | ||
</head> | ||
<body> | ||
<h1>Contact Me!</h1> | ||
<form id="myform"> | ||
<input type="text" name="name" id="name" placeholder="Name"> | ||
<span id="name-error"></span> | ||
<input type="email" name="email" id="email" placeholder="Email"> | ||
<span id="email-error"></span> | ||
<input type="text" name="subject" id="subject" placeholder="Subject"> | ||
<span id="subject-error"></span> | ||
<textarea name="message" id="message" cols="30" rows="10" form="myform" placeholder="Message"></textarea> | ||
<span id="message-error"></span> | ||
<button type="submit">Submit</button> | ||
</form> | ||
<style> | ||
form { | ||
display: flex; | ||
flex-direction: column; | ||
align-items: flex-start; | ||
} | ||
textarea { | ||
margin: 0; | ||
} | ||
</style> | ||
<script src="js/form.js"></script> | ||
</body> | ||
</html> |
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let form = document.querySelector('#myform'); | ||
form.addEventListener('submit', validate); | ||
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let name = document.querySelector('#name'); | ||
let email = document.querySelector('#email'); | ||
let subject = document.querySelector('#subject'); | ||
let message = document.querySelector('#message'); | ||
let inputList = [name, email, subject, message]; | ||
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inputList.forEach(input => { | ||
input.addEventListener('blur', findInputError) | ||
}); | ||
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function findInputError(e) { | ||
let input = e.currentTarget.id | ||
let errorMessage = document.querySelector(`#${input}-error`) | ||
console.log(input) | ||
if (e.currentTarget.value) { | ||
errorMessage.innerHTML = '' | ||
} else { | ||
errorMessage.innerHTML = `${input} must be filled out.` | ||
} | ||
} | ||
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function validate(e) { | ||
if (name.value && email.value && subject.value && message.value) { | ||
console.log("hooray"); | ||
} else { | ||
inputList.forEach(input => { | ||
let inputName = input.id; | ||
let errorMessage = document.querySelector(`#${inputName}-error`); | ||
if (input.value) { | ||
errorMessage.innerHTML = ''; | ||
} else { | ||
errorMessage.innerHTML = `${inputName} must be filled out.`; | ||
} | ||
}); | ||
e.preventDefault(); | ||
} | ||
} |