COMP1073-LU-Module-13/index0.html at master · smccrindle/COMP1073-LU-Module-13 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8" />
	<title>Getting Data From a Server | COMP1073 Client-Side JavaScript</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<link href="css/normalize.css" rel="stylesheet" />
	<link href="css/styles.css" rel="stylesheet" />
</head>

<body>
	<h1>Getting Data From a Server | COMP1073 Client-Side JavaScript</h1>
	<form>
		<label for="verse-choose">Choose a very cool verse</label>
		<select id="verse-choose" name="verse-choose">
			<option value="verse1" selected>Verse 1</option>
			<option value="verse2">Verse 2</option>
			<option value="verse3">Verse 3</option>
			<option value="verse4">Verse 4</option>
		</select>
	</form>
	<h2>The Conqueror Worm, <em>Edgar Allen Poe, 1843</em></h2>
	<pre>
	</pre>
	<script>
		// STEP 1: Grab the HTML elements we need for the interaction
		var verseChoose = document.querySelector('select');
		var poemDisplay = document.querySelector('pre');
		// STEP 2: Build out the event handler for the SELECT element
		verseChoose.addEventListener('change', function(){
			var verse = verseChoose.value;
			// console.log(verse);
			updateDisplay(verse);
		});
		// STEP 3: Construct updateDisplay() function
		function updateDisplay(verse) {
			// STEP 4: Declare and initialize URL to point to text file(s)
			var url = verse + ".txt";
			// STEP 5: Build fetch() with promises
			fetch(url).then(function(response) {
				response.text().then(function(text) {
					poemDisplay.textContent = text;
				});
			});
		};
		// STEP 6: Initialize the app with Verse 1
		updateDisplay('verse4');
		verseChoose.value = 'verse4';
		// This page inspired by and adapted from https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Client-side_web_APIs/Fetching_data

		</script>
	</body>
</html>