Created
December 19, 2017 18:32
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewpoint" 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>My Contact</title> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h1 class="center-align"> | |
| My Contacts | |
| </h1> | |
| <input type="text" id="filterInput" placeholder="Search names..."> | |
| <ul id="names" class="collection with-header"> | |
| <li class="collection-header"> | |
| <h5>A</h5> | |
| </li> | |
| <li class="collection-item"> | |
| <a href="#">Abe</a> | |
| </li> | |
| <li class="collection-item"> | |
| <a href="#">Alan</a> | |
| </li> | |
| <li class="collection-item"> | |
| <a href="#">Adam</a> | |
| </li> | |
| <li class="collection-item"> | |
| <a href="#">Anna</a> | |
| </li> | |
| <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> | |
| </ul> | |
| </div> | |
| <script> | |
| // 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 li from Ul | |
| let li = ul.querySelectorAll('li.collection-item'); | |
| // LOOP THROUGH collection-item li | |
| for(let i = 0;i < li.length;i++){ | |
| let a = li.[i].getElementByTagName('a')[0]; | |
| // IF Matched | |
| if(a.innerHTML.toUpperCase().indexOf(filterValue) > -1){ | |
| li[i].style.display = ''; | |
| } else { | |
| li[i].style.display = 'none'; | |
| } | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
There is no getElementByTagName function in browsers JS. The correct is getElementsByTagName
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Please use
let a = li[i].children[0];notlet a = li.[i].getElementByTagName('a')[0];