javascript - Moving in an Arc with Webkit Transitions -


right i'm trying put simple, learn it, , incorporate in bigger project.

i have simple box i'm trying move 1 position using css webkit animations , translate function (for ios hardware acceloration purposes). need move in arc , stay @ point @ top of arc.

now, i'm pretty new css transitions. in past i've used jquery animations seems run on mobile devices. know there's best practice ideas can incorporate here setting , manging these animations, i'm kinda figuring them out go.

right box moves way , appears in starting position. how stay there?

http://cs.sandbox.millennialmedia.com/~tkirchner/rich/m/march_madness/tmp/

<style type="text/css">  #ball {     display:block;     position: absolute;     width: 50px;     height: 50px;     overflow: hidden;     top: 500px;     left: 100px;     background-color: red;   } #action {     display: block;     font-weight:bold; }  .animation {     -webkit-animation-name:  throwball;     -webkit-animation-timing-function: linear;     -webkit-animation-duration: 1s;     -webkit-animation-iteration-count: 1; }  @-webkit-keyframes throwball {     { -webkit-transform: translate( 0px, 0px ); }     25% { -webkit-transform: translate( 75px, -25px ) }     50% { -webkit-transform: translate( 150px, -75px ) }     75% { -webkit-transform: translate( 225px, -150px ) }     { -webkit-transform: translate( 300px, -300px ); } }   </style>  <script type="text/javascript">     if ( typeof(jquery) == 'undefined' ) document.write('<scri'+ 'pt type="text/javascript" src="http://code.jquery.com/jquery-1.4.3.min.js"></scri'+'pt>'); </script>  <a id='action'>animate me</a>  <div id='ball'></div>  <script type="text/javascript"> $(document).ready(function(){     $('#action').bind('click',function(){         $('#ball').addclass('animation').bind('webkitanimationend',function(){         });     }); }); </script>

just add end state of animation class properties set animation removed when animation ends. adding -webkit-transform: translate(300px, -300px); animation class fixes problem.

.animation {     -webkit-animation-name:  throwball;     -webkit-animation-timing-function: linear;     -webkit-animation-duration: 1s;     -webkit-animation-iteration-count: 1;     -webkit-transform: translate(300px, -300px);  }

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