remove IE8 support

Author: Jakob

src/ElementQueries.js

@@ -180,33 +180,18 @@
             else allQueries[mode][property][value] += ','+selector;
         }
 
-        function getQuery() {
-            var query;
-            if (document.querySelectorAll) query = document.querySelectorAll.bind(document);
-            if (!query && 'undefined' !== typeof $$) query = $$;
-            if (!query && 'undefined' !== typeof jQuery) query = jQuery;
-
-            if (!query) {
-                throw 'No document.querySelectorAll, jQuery or Mootools\'s $$ found.';
-            }
-
-            return query;
-        }
-
         /**
          * Start the magic. Go through all collected rules (readRules()) and attach the resize-listener.
          *
          * @param {HTMLElement} container only elements of the container are considered (document.body if not set)
          *
          */
         function findElementQueriesElements(container) {
-            var query = (container) ? container.querySelectorAll.bind(container) : getQuery();
-
             for (var mode in allQueries) if (allQueries.hasOwnProperty(mode)) {
 
                 for (var property in allQueries[mode]) if (allQueries[mode].hasOwnProperty(property)) {
                     for (var value in allQueries[mode][property]) if (allQueries[mode][property].hasOwnProperty(value)) {
-                        var elements = query(allQueries[mode][property][value]);
+                        var elements = (container) ? container.querySelectorAll(allQueries[mode][property][value]) : document.querySelectorAll(allQueries[mode][property][value]);
                         for (var i = 0, j = elements.length; i < j; i++) {
                             setupElement(elements[i], {
                                 mode: mode,
@@ -318,10 +303,8 @@
             }
         }
 
-        function findResponsiveImages(){
-            var query = getQuery();
-
-            var elements = query('[data-responsive-image],[responsive-image]');
+        function findResponsiveImages() {
+            var elements = document.querySelectorAll('[data-responsive-image],[responsive-image]');
             for (var i = 0, j = elements.length; i < j; i++) {
                 attachResponsiveImage(elements[i]);
             }
@@ -400,7 +383,7 @@
                 var style = document.createElement('style');
                 style.type = 'text/css';
                 style.innerHTML = '[responsive-image] > img, [data-responsive-image] {overflow: hidden; padding: 0; } [responsive-image] > img, [data-responsive-image] > img { width: 100%;}';
-                document.getElementsByTagName('head')[0].appendChild(style);
+                document.head.appendChild(style);
                 defaultCssInjected = true;
             }
 
@@ -486,36 +469,8 @@
         ElementQueries.instance.findElementQueriesElements(container);
     };
 
-    var domLoaded = function (callback) {
-        /* Internet Explorer */
-        /*@cc_on
-         @if (@_win32 || @_win64)
-         document.write('<script id="ieScriptLoad" defer src="//:"><\/script>');
-         document.getElementById('ieScriptLoad').onreadystatechange = function() {
-         if (this.readyState == 'complete') {
-         callback();
-         }
-         };
-         @end @*/
-        /* Mozilla, Chrome, Opera */
-        if (document.addEventListener) {
-            document.addEventListener('DOMContentLoaded', callback, false);
-        }
-        /* Safari, iCab, Konqueror */
-        else if (/KHTML|WebKit|iCab/i.test(navigator.userAgent)) {
-            var DOMLoadTimer = setInterval(function () {
-                if (/loaded|complete/i.test(document.readyState)) {
-                    callback();
-                    clearInterval(DOMLoadTimer);
-                }
-            }, 10);
-        }
-        /* Other web browsers */
-        else window.onload = callback;
-    };
-
     ElementQueries.listen = function() {
-        domLoaded(ElementQueries.init);
+        document.addEventListener('DOMContentLoaded', ElementQueries.init, false);
     };
 
     return ElementQueries;

src/ResizeSensor.js

@@ -186,16 +186,8 @@
                 reset();
             };
 
-            var addEvent = function(el, name, cb) {
-                if (el.attachEvent) {
-                    el.attachEvent('on' + name, cb);
-                } else {
-                    el.addEventListener(name, cb);
-                }
-            };
-
-            addEvent(expand, 'scroll', onScroll);
-            addEvent(shrink, 'scroll', onScroll);
+            expand.addEventListener('scroll', onScroll);
+            shrink.addEventListener('scroll', onScroll);
         }
 
         forEachElement(element, function(elem){