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Start your free trialBraveo Yuriy
Courses Plus Student 5,763 PointsI haven't followed the Guil's actions. Do I need to get back and follow him, so that I can solve the task?
I haven't followed the Guil's actions. Do I need to get back and follow him, so that I can solve the task?
1 Answer
Tiffany Kwan
5,893 PointsI had the same problem since I like to take notes instead of following along as I watch. I went back and pieced together my notes for the html and js. Here is the bare bones of what you will need to try the challenge.
index.html
<!DOCTYPE html>
<html>
<head>
<title>JavaScript and the DOM</title>
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<h1 id="myHeading">JavaScript and the DOM</h1>
<p>Making a web page interactive</p>
<div class="list">
<p>Things that are purple:</p>
<ul class="listUl">
<li>
grapes
<button class="down">Down</button>
<button class="up">Up</button>
<button class="remove">Remove</button>
</li>
<li>
peanuts
<button class="down">Down</button>
<button class="up">Up</button>
<button class="remove">Remove</button>
</li>
<li>
lavender
<button class="down">Down</button>
<button class="up">Up</button>
<button class="remove">Remove</button>
</li>
<li>
plums
<button class="down">Down</button>
<button class="up">Up</button>
<button class="remove">Remove</button>
</li>
</ul>
<button class="removeItemButton">Remove last item</button>
</div>
<script src="app.js"></script>
</body>
</html>
app.js
const listDiv = document.querySelector('.list');
const listUl = document.querySelector('ul');
const removeItemButton = document.querySelector('button.removeItemButton');
listUl.addEventListener('click', (event) => {
if (event.target.tagName == 'BUTTON') {
let li = event.target.parentNode;
let ul = li.parentNode;
if (event.target.className == 'remove') {
ul.removeChild(li); //Removes button's parent node (which is a list item)
}
if (event.target.className == 'up') {
let prevLi = li.previousElementSibling;
if(prevLi) {
ul.insertBefore(li, prevLi); //Moves the list item up
}
}
}
})
//Removes last item on the list
removeItemButton.addEventListener ('click', () => {
let ul = document.querySelectorAll('ul')[0];
let li = document.querySelector('li:last-child');
ul.removeChild(li);
})