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Summary of usage of slideUp(), slideDown(), hide(), show() in jQuery

巴扎黑Original: 2017-06-29 11:03:162163browse

slideUp(speed,[callback])

Dynamicly hide all matching elements through height changes (decreasing upwards), optionally triggering a callback function## after hiding is completed #.

This animation effect only adjusts the height of the element and can hide the matching elements in a "sliding" manner.

slideDown(speed,[callback])

Dynamically display all matching elements through height changes (increasing downward), optionally triggering a callback function after the display is completed.

This animation effect only adjusts the height of the element, allowing the matching elements to be displayed in a "sliding" manner.

hide()

Hide The displayed elements

This is the non-animated version of 'hide(speed, [callback])'. If the selected element is hidden, this method will not change anything.

show()

Show hidden matching elements.

This is the non-animated version of 'show(speed, [callback])'. If the selected element is visible, this method will not change anything. This method will work regardless of whether the element is hidden via the hide() method or display:none; is set in CSS.

<head>
<title>slideUp()和slideDown()</title>
<style type="text/css">
<!--
body{
 background:url(bg.jpg);
}
img{
 border:1px solid #000000;
 margin:8px;
}
input{
 border:1px solid #000000;
 font-size:13px; padding:2px;
 font-family:Arial, Helvetica, sans-serif;
 background-color:#FFFFFF;
 color:#000000;
}
p{
 background-color:#FFFF00;
 height:80px; width:80px;
 border:1px solid #000000;
 float:left; margin-top:8px;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
 $("input:eq(0)").click(function(){
  $("p").add("img").slideUp(1000);
 });
 $("input:eq(1)").click(function(){
  $("p").add("img").slideDown(1000);
 });
 $("input:eq(2)").click(function(){
  $("p").add("img").hide(1000);
 });
 $("input:eq(3)").click(function(){
  $("p").add("img").show(1000);
 });
});
</script>
</head>
<body>
 <input type="button" value="SlideUp">
 <input type="button" value="SlideDown">
 <input type="button" value="Hide">
 <input type="button" value="Show"><br>
 <p></p><img src="test.jpg">
</body>

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