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10-dom-projects.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DOM Projects</title>
<style>
body {
font-family: Arial,serif;
}
.subscribe-button {
border:none;
background-color: black;
color: white;
padding-top: 10px;
padding-bottom: 10px;
padding-left: 15px;
padding-right: 15px;
font-weight: bold;
border-radius: 50px;
cursor: pointer;
margin-bottom: 30px;
}
.is-subscribed {
background-color: rgb(240, 240, 240);
color: black;
}
.cost-input {
font-size: 15px;
/*
padding-top: 10px;
padding-bottom: 10px;
padding-left: 10px;
padding-right: 10px;
*/
padding: 10px;
}
.calculate-button {
background-color: green;
color: white;
border: none;
font-size: 15px;
padding: 12px 15px;
cursor: pointer;
}
</style>
</head>
<body>
<p> YouTube Subscribe Button</p>
<button onclick="subscribe()" class="js-subscribe-button subscribe-button">Subscribe</button>
<p>Amazon Shipping Calculator</p>
<label>
<input placeholder="Cost of order" class="js-cost-input cost-input" onkeydown="handleCostKeyDown(event)">
</label>
<button class="calculate-button" onclick="calculateTotal();">Calculate</button>
<p class="js-total-cost"></p>
<script>
String(25) // Type Coercion
console.log('25' - 5);
console.log('25' + 5);
// Window object represents the browser
window.document // represents webpage
window.console.log('window') // represents console
window.alert() // represents pop-up
function handleCostKeyDown(event) {
if (event.key === 'Enter') {
calculateTotal();
}
}
function calculateTotal() {
const inputElement = document.querySelector('.js-cost-input');
let cost = Number(inputElement.value); // value will be a string (if it needs to be a number -> convert)
if (cost < 40) {
cost = cost + 10;
}
document.querySelector('.js-total-cost')
.innerHTML = `$${cost}`;
}
function subscribe() {
const buttonElement = document.querySelector('.js-subscribe-button');
if (buttonElement.innerText === 'Subscribe') {
buttonElement.innerText = 'Subscribed';
buttonElement.classList.add('is-subscribed');
} else {
buttonElement.innerText = 'Subscribe';
buttonElement.classList.remove('is-subscribed')
}
}
</script>
</body>
</html>