auto_complete.js

<script>
// Adapted from http://unscriptable.com/2009/03/20/debouncing-javascript-methods/
// Works for fast typers (90+ wpm), no node.js
var debounce = function (func, threshold, execAsap) {
    var timeout;
 
    return function debounced () {
        var obj = this, args = arguments;
        function delayed () {
            if (!execAsap)
                func.apply(obj, args);
            timeout = null; 
        };
 
        if (timeout)
            clearTimeout(timeout);
        else if (execAsap)
            func.apply(obj, args);
 
        timeout = setTimeout(delayed, threshold || 100); 
    };
}

// Forward search box to another frame
document.addEventListener("DOMContentLoaded", function(){
   var searchbox = document.getElementById('searchbox').children[0];// angular input box
   var searchframe = document.getElementById('searchframe');
   var src_frame= "http://www.arcgis.com/home/search.html?q="

   function framesearch(e){
      if(searchbox.value){
        searchframe.src = src_frame + searchbox.value
      }
   }

   search.addEventListener('keyup', debounce(framesearch, 500, false));
});