JavaScript/lesson-10/dom-projects.html at main · deep100x/JavaScript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
<!DOCTYPE html>
<html>
	<head>
		<title>DOM Projects</title>
		<style>
			body {
				font-family: Arial;
			}

			.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>
		<input placeholder="Cost of order" class="js-cost-input cost-input" onkeydown="handleCostKeydown(event);" />
		<button onclick="calculateTotal();" class="calculate-button">Calculate</button>
		<p class="js-total-cost"></p>

		<script>
			String(25)
			console.log("25" - 5)
			console.log("25" + 5)

			window.document
			window.console.log("window")
			window.alert

			function handleCostKeydown(event) {
				if (event.key === "Enter") {
					calculateTotal()
				}
			}

			function calculateTotal() {
				const inputElement = document.querySelector(".js-cost-input")
				let cost = Number(inputElement.value)

				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.innerHTML = "Subscribed"
					buttonElement.classList.add("is-subscribed")
				} else {
					buttonElement.innerHTML = "Subscribe"
					buttonElement.classList.remove("is-subscribed")
				}
			}
		</script>
	</body>
</html>