AngularJS: Infinite Scrolling

by Varun Krishna P

HTML

<script src="http://code.angularjs.org/1.0.0rc9/angular-1.0.0rc9.js"></script>
<div id="fixed" when-scrolled="loadMore()">
<table class="table table-bordered table-condensed table-striped table-hover">
    <thead>
    <tr>
        <th>To Infinity and Beyond</th>
    </tr>
    </thead>
    <tbody>
    <tr ng-repeat="i in items">
        <td>{{i.id}}</td>
    </tr>
    </tbody>
</table>
</div>

CSS

tr {
  border-bottom: 1px solid gray;
}


#fixed {
    height: 500px;
    overflow: auto;
}

/*!
 * Bootstrap v2.1.1
 *
 * Copyright 2012 Twitter, Inc
 * Licensed under the Apache License v2.0
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Designed and built with all the love in the world @twitter by @mdo and @fat.
 */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
nav,
section {
  display: block;
}

audio,
canvas,
video {
  display: inline-block;
  *display: inline;
  *zoom: 1;
}

audio:not([controls]) {
  display: none;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
      -ms-text-size-adjust: 100%;
}

a:focus {
  outline: thin dotted #333;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

a:hover,
a:active {
  outline: 0;
}

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

img {
  width: auto\9;
  height: auto;
  max-width: 100%;
  vertical-align: middle;
  border: 0;
  -ms-interpolation-mode: bicubic;
}

#map_canvas img {
  max-width: none;
}

button,
input,
select,
textarea {
  margin: 0;
  font-size: 100%;
  vertical-align: middle;
}

button,
input {
  *overflow: visible;
  line-height: normal;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  padding: 0;
  border: 0;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
  cursor: pointer;
  -webkit-appearance: button;
}

input[type="search"] {
  -webkit-box-sizing: content-box;
     -moz-box-sizing: content-box;
          box-sizing: content-box;
  -webkit-appearance: textfield;
}

input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

textarea {
  overflow: auto;
  vertical-align: top;
}

.clearfix {
  *zoom: 1;
}

.clearfix:before,
.clearfix:after {
  display: table;
  line-height: 0;
  content: "";
}

.clearfix:after {
  clear:...

JavaScript

function Main($scope) {
    $scope.items = [];
    
    var counter = 0;
    $scope.loadMore = function() {
        for (var i = 0; i < 100; i++) {
            $scope.items.push({id: counter});
            counter += 10;
        }
    };
    
    $scope.loadMore();
}

angular.module('scroll', []).directive('whenScrolled', function() {
    return function(scope, elm, attr) {
        var raw = elm[0];
        
        elm.bind('scroll', function() {
            if (raw.scrollTop + raw.offsetHeight >= raw.scrollHeight) {
                scope.$apply(attr.whenScrolled);
            }
        });
    };
});