jquery鼠标悬停 [英] jquery hover mouse out

问题描述

I want a simple slide down / up animation on a mouse over of a link. I can get the mouse over to work but I can't work out how to get the mouseout to do it's thing.

Here's what I have for the hover effect:

<script type="text/javascript" src="http://www.google.com/jsapi"></script>

<script type="text/javascript">

google.load("jquery", "1.3.2"); //load version 1.3.2 of jQuery

google.setOnLoadCallback(function() {
    jQuery(
        function($) {
            $("a.button").hover(function(){$(this).animate({"marginTop": "0px"}, "fast")   

        });
    });
});
</script>

How do I get this to move the margin up 16px when mouse out?

解决方案

The hover event in jQuery needs 2 callback functions: one when the pointer moves over the item, and one when it leaves:

$(item).hover(function() { ... }, function() { ... });

In your case:

$("a.button").hover(
   function() {
      $(this).animate({"marginTop": "0px"}, "fast");
   },
   function() {
      $(this).animate({"marginTop": "16px"}, "fast");
   }
);

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