Filter on document load

examples/filtertable-existing-input.html

@@ -22,6 +22,7 @@
     <h1>jQuery.FilterTable Sample With an Existing Input</h1>
     <div class="input-filter-container"><label for="input-filter">Filter the table:</label> <input type="search" id="input-filter" size="15" placeholder="search"></div>
     <p>This is a sample of the <a href="http://sunnywalker.github.com/jQuery.FilterTable">jQuery.FilterTable plugin</a> which uses an existing element to filter the table instead of creating its own.</p>
+    <p>You can filter table values on page load adding a <code>filter=...</code> URL parameter.</p>
     <h2>Presidents of the United States of America</h2>
     <table>
         <thead>
@@ -83,7 +84,23 @@ <h2>Presidents of the United States of America</h2>
     <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
     <script src="../jquery.filtertable.min.js"></script>
     <script>
+    function GetURLParameter(sParam) {
+        var sPageURL = window.location.search.substring(1);
+        var sURLVariables = sPageURL.split('&');
+        for (var i = 0; i < sURLVariables.length; i++) {
+            var sParameterName = sURLVariables[i].split('=');
+            if (sParameterName[0] == sParam) {
+                return sParameterName[1];
+            }
+        }
+    }
     $(document).ready(function() {
+        // this is not required to use the plugin
+        var _arg = GetURLParameter('filter');
+        if (_arg!==undefined) { // set a value onload if `search=...` URL parameter
+            $('#input-filter').val(_arg);
+        }
+        // --------------------------------------
         $('table').filterTable({ // apply filterTable to all tables on this page
             filterSelector: '#input-filter' // use the existing input instead of creating a new one
         });

jquery.filtertable.js

@@ -6,7 +6,7 @@
  *
  * Utilizes bindWithDelay() if available. https://github.com/bgrins/bindWithDelay
  *
- * @version v1.5.2
+ * @version v1.5.2 (modified)
  * @author Sunny Walker, swalker@hawaii.edu
  */
 (function($) {
@@ -126,6 +126,9 @@
                 if (created_filter) { // add the filter field and quick list container to just before the table if it was created by the plugin
                     t.before(container);
                 }
+                if (filter.val()!=='') { // if value on load
+                    doFiltering(t, filter.val());
+                }
             } // if the functionality should be added
         }); // return this.each
     }; // $.fn.filterTable