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jquery(三)

时间:2017-08-16 13:59:11      阅读:141      评论:0      收藏:0      [点我收藏+]

标签:doctype   padding   ops   back   href   3.1   link   har   styles   

动画效果

显示隐藏

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery-2.1.4.min.js"></script>
    <script>

$(document).ready(function() {
    $("#hide").click(function () {
        $("p").hide(1000);
    });
    $("#show").click(function () {
        $("p").show(1000);
    });

//用于切换被选元素的 hide() 与 show() 方法。
    $("#toggle").click(function () {
        $("p").toggle();
    });
})

    </script>
    <link type="text/css" rel="stylesheet" href="style.css">
</head>
<body>


    <p>hello</p>
    <button id="hide">隐藏</button>
    <button id="show">显示</button>
    <button id="toggle">切换</button>

</body>
</html>
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滑动

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery-2.1.4.min.js"></script>
    <script>
    $(document).ready(function(){
     $("#slideDown").click(function(){
         $("#content").slideDown(1000);
     });
      $("#slideUp").click(function(){
         $("#content").slideUp(1000);
     });
      $("#slideToggle").click(function(){
         $("#content").slideToggle(1000);
     })
  });
    </script>
    <style>

        #content{
            text-align: center;
            background-color: lightblue;
            border:solid 1px red;
            display: none;
            padding: 50px;
        }
    </style>
</head>
<body>

    <div id="slideDown">出现</div>
    <div id="slideUp">隐藏</div>
    <div id="slideToggle">toggle</div>

    <div id="content">helloworld</div>

</body>
</html>
View Code

淡入淡出

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery-2.1.4.min.js"></script>
    <script>
    $(document).ready(function(){
   $("#in").click(function(){
       $("#id1").fadeIn(1000);


   });
    $("#out").click(function(){
       $("#id1").fadeOut(1000);

   });
    $("#toggle").click(function(){
       $("#id1").fadeToggle(1000);


   });
    $("#fadeto").click(function(){
       $("#id1").fadeTo(1000,0.4);

   });
});



    </script>

</head>
<body>
      <button id="in">fadein</button>
      <button id="out">fadeout</button>
      <button id="toggle">fadetoggle</button>
      <button id="fadeto">fadeto</button>

      <div id="id1" style="display:none; width: 80px;height: 80px;background-color: blueviolet"></div>

</body>
</html>
View Code

回调函数

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery-2.1.4.min.js"></script>

</head>
<body>
  <button>hide</button>
  <p>helloworld helloworld helloworld</p>



 <script>
   $("button").click(function(){
       $("p").hide(1000,function(){
           alert($(this).html())
       })

   })
    </script>
</body>
</html>
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css操作

css位置操作

        $("").offset([coordinates])
        $("").position()
        $("").scrollTop([val])
        $("").scrollLeft([val])

示例1:

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .test1{
            width: 200px;
            height: 200px;
            background-color: wheat;
        }
    </style>
</head>
<body>


<h1>this is offset</h1>
<div class="test1"></div>
<p></p>
<button>change</button>
</body>
<script src="jquery-3.1.1.js"></script>
<script>
    var $offset=$(".test1").offset();
    var lefts=$offset.left;
    var tops=$offset.top;

    $("p").text("Top:"+tops+" Left:"+lefts);
    $("button").click(function(){

        $(".test1").offset({left:200,top:400})
    })
</script>
</html>
View Code

示例2:

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin: 0;
        }
        .box1{
            width: 200px;
            height: 200px;
            background-color: rebeccapurple;
        }
        .box2{
            width: 200px;
            height: 200px;
            background-color: darkcyan;
        }
        .parent_box{
             position: relative;
        }
    </style>
</head>
<body>




<div class="box1"></div>
<div class="parent_box">
    <div class="box2"></div>
</div>
<p></p>


<script src="jquery-3.1.1.js"></script>
<script>
    var $position=$(".box2").position();
    var $left=$position.left;
    var $top=$position.top;

    $("p").text("TOP:"+$top+"LEFT"+$left)
</script>
</body>
</html>
View Code

示例3:

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        body{
            margin: 0;
        }
        .returnTop{
            height: 60px;
            width: 100px;
            background-color: peru;
            position: fixed;
            right: 0;
            bottom: 0;
            color: white;
            line-height: 60px;
            text-align: center;
        }
        .div1{
            background-color: wheat;
            font-size: 5px;
            overflow: auto;
            width: 500px;
            height: 200px;
        }
        .div2{
            background-color: darkgrey;
            height: 2400px;
        }


        .hide{
            display: none;
        }
    </style>
</head>
<body>
     <div class="div1 div">
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
           <h1>hello</h1>
     </div>
     <div class="div2 div"></div>
     <div class="returnTop hide">返回顶部</div>

 <script src="jquery-3.1.1.js"></script>
    <script>
         $(window).scroll(function(){
             var current=$(window).scrollTop();
              console.log(current);
              if (current>100){

                  $(".returnTop").removeClass("hide")
              }
              else {
              $(".returnTop").addClass("hide")
          }
         });


            $(".returnTop").click(function(){
                $(window).scrollTop(0)
            });


    </script>
</body>
</html>
View Code

尺寸操作

        $("").height([val|fn])
        $("").width([val|fn])
        $("").innerHeight()
        $("").innerWidth()
        $("").outerHeight([soptions])
        $("").outerWidth([options])

示例:

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin: 0;
        }
        .box1{
            width: 200px;
            height: 200px;
            background-color: wheat;
            padding: 50px;
            border: 50px solid rebeccapurple;
            margin: 50px;
        }

    </style>
</head>
<body>




<div class="box1">
    DIVDIDVIDIV
</div>


<p></p>

<script src="jquery-3.1.1.js"></script>
<script>
    var $height=$(".box1").height();
    var $innerHeight=$(".box1").innerHeight();
    var $outerHeight=$(".box1").outerHeight();
    var $margin=$(".box1").outerHeight(true);

    $("p").text($height+"---"+$innerHeight+"-----"+$outerHeight+"-------"+$margin)
</script>
</body>
</html>
View Code
 

jquery(三)

标签:doctype   padding   ops   back   href   3.1   link   har   styles   

原文地址:http://www.cnblogs.com/guozhenle/p/7372839.html

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