jQuery .animate不同的速度 [英] jquery .animate different speeds

问题描述

我在Jquery中使用.animate函数.我有一个使用marginLeft滑动的div，但是我也需要它淡入，但我需要它比marginLeft效果要慢.使用.animate，我似乎只能应用一个速度参数.

I am using the .animate function in Jquery. I have a div that slides over using marginLeft, but I also need it to fade in, but I need it to be slower than the marginLeft effect. With .animate, I can only seem to apply one speed parameter.

<script type="text/javascript">
 $(document).ready(function(){
 $(".topFrameAnim").css("opacity", "0.0");
  $(".topFrameAnim").animate({
  marginLeft: "0",
    }, 500 );

    $(".topFrameAnim").animate({
  opacity: "1",
    }, 1000 ); // Need this effect to be applied at the same time, at a different speed.




    });


</script>

推荐答案

您需要使用动画的两个参数形式，在选项数组中为queue:false(在第一个动画上):

You need to use the two argument form of animate, with queue:false in the options array (on the first animation):

<script type="text/javascript">
 $(document).ready(function(){
 $(".topFrameAnim").css("opacity", "0.0")

 .animate({
  marginLeft: "0",
    }, { queue: false, duration: 500 })
  .animate({
  opacity: "1",
    }, 1000 ); // Need this effect to be applied at the same time, at a different speed.

    });


</script>

注意:这里是.animate，以减少使用的选择器的数量.由于选择的对象相同，因此最好重用现有对象.

Note: It's .animate here to reduce the number of selectors used. Since you're selecting the same objects, it's better to reuse the existing object.

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