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<!doctype html>
<html ng-app="Demo">
<head>
<meta charset="utf-8" />
<title>
Staggering ngRepeat Animations In AngularJS
</title>
<style type="text/css">
a[ ng-click ] {
color: red ;
cursor: pointer ;
text-decoration: underline ;
user-select: none ;
-moz-user-select: none ;
-webkit-user-select: none ;
}
li.friend.ng-enter {
opacity: 0.2 ;
padding-left: 30px ;
transition: all ease 250ms ;
}
li.friend.ng-enter-stagger {
transition-delay: 0.1s ;
-webkit-transition-delay: 0.1s ;
/*
FROM THE DOCUMENTATION:
In case the stagger doesn't work then these two values must be set
to 0 to avoid an accidental CSS inheritance.
*/
transition-duration: 0s ;
-webkit-transition-duration: 0s ;
}
li.friend.ng-enter-active {
opacity: 1.0 ;
padding-left: 0px ;
}
</style>
</head>
<body ng-controller="AppController">
<h1>
Staggering ngRepeat Animations In AngularJS
</h1>
<h2>
Friends
</h2>
<p>
<a ng-click="addFriends()">Add Friends</a>
–
<a ng-click="resetFriends()">Reset Friends</a>
</p>
<ul>
<!--
We are going to be animating the LI elements on to the page with a slight
delay to create a staggering effect. This will only affect the "subsequent"
additions since the initial page render will block the initial ngRepeat
animation during linking.
--
NOTE: Normally, I would avoid any filters (orderBy) on the ngRepeat. But, I
am using it here simply to make the demo a bit more interesting, visually.
-->
<li
ng-repeat="friend in friends | orderBy:'name' track by friend.id"
class="friend">
{{ friend.name }}
</li>
</ul>
<!-- Load scripts. -->
<script type="text/javascript" src="../../vendor/angularjs/angular-1.3.8.min.js"></script>
<script type="text/javascript" src="../../vendor/angularjs/angular-animate-1.3.8.min.js"></script>
<script type="text/javascript">
// Create an application module for our demo.
var app = angular.module( "Demo", [ "ngAnimate" ] );
// -------------------------------------------------- //
// -------------------------------------------------- //
// I control the root of the application.
app.controller(
"AppController",
function( $scope ) {
// I hold the collection of friends to render.
$scope.friends = loadFriends();
// Some possible names for the demo.
var names = [
"Olivia", "Ava", "Isabella", "Mia", "Lily", "Madelyn", "Madison",
"Chloe", "Charlotte", "Aubrey", "Leah", "Abigail", "Kaylee",
"Layla", "Harper", "Ella", "Amelia", "Arianna", "Riley", "Aria",
"Hailey", "Hannah", "Maria", "Evelyn", "Addison", "Mackenzie"
];
// ---
// PUBLIC METHODS.
// ---
// I add three more friends to the rendered list.
$scope.addFriends = function() {
var i = 3;
while ( i-- && names.length ) {
$scope.friends.push({
id: ( $scope.friends.length + 1 ),
name: names.shift()
});
}
};
// I reset the list of friends to the original set.
$scope.resetFriends = function() {
$scope.friends = loadFriends();
};
// ---
// PRIVATE METHODS.
// ---
// I build (and return) the original list of friends.
function loadFriends() {
return([
{
id: 1,
name: "Kim"
},
{
id: 2,
name: "Heather"
},
{
id: 3,
name: "Tara"
},
{
id: 4,
name: "Anna"
}
]);
}
}
);
</script>
</body>
</html>