jquery - How to make rotate to 45 deg and animate change left same time? -


how make in duration rotate angle 45 deg , stop? can't find way make angle in below demo increase 45 during animate change margin-left, how it??

http://jsfiddle.net/8tp9d/37/

var angle = 0;  $('.btn').click(function(){ $("#a").animate ({     "margin-left": "+=200px"      },     {     step: function (now, fx) {         angle += 1;         $(this).css({             "-moz-transform":"rotate("+angle+"deg)",             "-webkit-transform":"rotate("+angle+"deg)",             "-ms-transform":"rotate("+angle+"deg)",             "-o-transform":"rotate("+angle+"deg)"         });     },     duration: 300 }, "linear"); });

there no reason increment rotation each step can use .animate , give target value , automatically step value (and fluently)

if doing this, use .css , css transitions performs better jquery's transform. following

$('.btn').click(function(){    $("#a").css ({      "-moz-transform":"translatex(200px) rotate(45deg)",      "-webkit-transform":"translatex(200px) rotate(45deg)",      "-ms-transform":"translatex(200px) rotate(45deg)",      "transform":"translatex(200px) rotate(45deg)"    });  });
#a {    margin-top:25px;    margin-left:25px;    width: 150px;    height: 150px;    list-style: none;    background-color: blue;    -webkit-transition:.3s linear;    -moz-transition:.3s linear;    -ms-transition:.3s linear;    transition:.3s linear;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>  <div class="btn">btn</div>  <ul>    <li id="a">      <span>content</span>    </li>  </ul>

for performance recommend using vanilla javascript well


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