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filter-search.md

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Filter, sort and layout

Using a JS library:

From scratch:

For a table

  1. HTML
<input type="text" id="myInput" onkeyup="myFunction()" placeholder="Search for names..">

<table id="myTable">
  <tr class="header">
    <th style="width:60%;">Name</th>
    <th style="width:40%;">Country</th>
  </tr>
  <tr>
    <td>Alfreds Futterkiste</td>
    <td>Germany</td>
  </tr>
  <tr>
    <td>Berglunds snabbkop</td>
    <td>Sweden</td>
  </tr>
  <tr>
    <td>Island Trading</td>
    <td>UK</td>
  </tr>
  <tr>
    <td>Koniglich Essen</td>
    <td>Germany</td>
  </tr>
</table>
  1. CSS
#myInput {
    background-image: url('/css/searchicon.png'); /* Add a search icon to input */
    background-position: 10px 12px; /* Position the search icon */
    background-repeat: no-repeat; /* Do not repeat the icon image */
    width: 100%; /* Full-width */
    font-size: 16px; /* Increase font-size */
    padding: 12px 20px 12px 40px; /* Add some padding */
    border: 1px solid #ddd; /* Add a grey border */
    margin-bottom: 12px; /* Add some space below the input */
}

#myTable {
    border-collapse: collapse; /* Collapse borders */
    width: 100%; /* Full-width */
    border: 1px solid #ddd; /* Add a grey border */
    font-size: 18px; /* Increase font-size */
}

#myTable th, #myTable td {
    text-align: left; /* Left-align text */
    padding: 12px; /* Add padding */
}

#myTable tr {
    /* Add a bottom border to all table rows */
    border-bottom: 1px solid #ddd; 
}

#myTable tr.header, #myTable tr:hover {
    /* Add a grey background color to the table header and on hover */
    background-color: #f1f1f1;
}
  1. Javascript
<script>
function myFunction() {
  // Declare variables 
  var input, filter, table, tr, td, i;
  input = document.getElementById("myInput");
  filter = input.value.toUpperCase();
  table = document.getElementById("myTable");
  tr = table.getElementsByTagName("tr");

  // Loop through all table rows, and hide those who don't match the search query
  for (i = 0; i < tr.length; i++) {
    td = tr[i].getElementsByTagName("td")[0];
    if (td) {
      if (td.innerHTML.toUpperCase().indexOf(filter) > -1) {
        tr[i].style.display = "";
      } else {
        tr[i].style.display = "none";
      }
    } 
  }
}
</script>

  • Remove toUpperCase() if you want to perform a case-sensitive search.

  • Change tr[i].getElementsByTagName('td')[0] to [1] if you want to search for "Country" (index 1) instead of "Name" (index 0).

For a list

  1. HTML
<input type="text" id="myInput" onkeyup="myFunction()" placeholder="Search for names..">

<ul id="myUL">
  <li><a href="#">Adele</a></li>
  <li><a href="#">Agnes</a></li>

  <li><a href="#">Billy</a></li>
  <li><a href="#">Bob</a></li>

  <li><a href="#">Calvin</a></li>
  <li><a href="#">Christina</a></li>
  <li><a href="#">Cindy</a></li>
</ul>
  1. CSS
#myInput {
    background-image: url('/css/searchicon.png'); /* Add a search icon to input */
    background-position: 10px 12px; /* Position the search icon */
    background-repeat: no-repeat; /* Do not repeat the icon image */
    width: 100%; /* Full-width */
    font-size: 16px; /* Increase font-size */
    padding: 12px 20px 12px 40px; /* Add some padding */
    border: 1px solid #ddd; /* Add a grey border */
    margin-bottom: 12px; /* Add some space below the input */
}

#myUL {
    /* Remove default list styling */
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#myUL li a {
    border: 1px solid #ddd; /* Add a border to all links */
    margin-top: -1px; /* Prevent double borders */
    background-color: #f6f6f6; /* Grey background color */
    padding: 12px; /* Add some padding */
    text-decoration: none; /* Remove default text underline */
    font-size: 18px; /* Increase the font-size */
    color: black; /* Add a black text color */
    display: block; /* Make it into a block element to fill the whole list */
}

#myUL li a:hover:not(.header) {
    background-color: #eee; /* Add a hover effect to all links, except for headers */
}
  1. Javascript
<script>
function myFunction() {
    // Declare variables
    var input, filter, ul, li, a, i;
    input = document.getElementById('myInput');
    filter = input.value.toUpperCase();
    ul = document.getElementById("myUL");
    li = ul.getElementsByTagName('li');

    // Loop through all list items, and hide those who don't match the search query
    for (i = 0; i < li.length; i++) {
        a = li[i].getElementsByTagName("a")[0];
        if (a.innerHTML.toUpperCase().indexOf(filter) > -1) {
            li[i].style.display = "";
        } else {
            li[i].style.display = "none";
        }
    }
}
</script>