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ldco2016/index.html

Created January 5, 2018 23:50
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Filterable contact list
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.100.2/css/materialize.css">
<title>Thinkful Contacts</title>
</head>
<body>
<div class="container">
<h1 class="center-align">
Thinkful Contacts
</h1>
<input type="text" id="filterInput" placeholder="Search names...">
<ul id="names" class="collection width-header">
<li class="collection-header">
<h5>A</h5>
</li>
<li class="collection-item">
<a href="#">Abe</a>
</li>
<li class="collection-item">
<a href="#">Adam</a>
</li>
<li class="collection-item">
<a href="#">Alan</a>
</li>
<li class="collection-item">
<a href="#">Anna</a>
<li class="collection-header">
<h5>B</h5>
</li>
<li class="collection-item">
<a href="#">Beth</a>
</li>
<li class="collection-item">
<a href="#">Bill</a>
</li>
<li class="collection-item">
<a href="#">Bob</a>
</li>
<li class="collection-item">
<a href="#">Brad</a>
</li>
<li class="collection-header">
<h5>C</h5>
</li>
<li class="collection-item">
<a href="#">Carrie</a>
</li>
<li class="collection-item">
<a href="#">Cathy</a>
</li>
<li class="collection-item">
<a href="#">Courtney</a>
</li>
</li>
</ul>
</div>
<script type="text/javascript">
// Get Input Element
let filterInput = document.getElementById('filterInput');
// Add Event Listener
filterInput.addEventListener('keyup', filterNames);
function filterNames(){
// Get Value of Input
let filterValue = document.getElementById('filterInput').value.toUpperCase();
// Get names ul
let ul = document.getElementById('names');
// Get lis from ul
let li = ul.querySelectorAll('li.collection-item'); // very handy function that can replace getElementById()
// Loop through collection-item lis
for (var i = 0; i < li.length; i++) {
let a = li[i].getElementsByTagName('a')[0];
// If matched
if (a.innerHTML.toUpperCase().indexOf(filterValue) > -1) {
li[i].style.display = '';
} else {
li[i].style.display = 'none';
}
}
}
</script>
</body>
</html>
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