CSS3 transition

CSS3 Transition

In CSS3, we can change from one style to another in order to add a certain effect without using Flash animation or JavaScript.

How does it work?

CSS3 Transition is the effect of an element gradually changing from one style to another.

To achieve this, two things must be specified:

Specify the CSS property to add the effect and specify the duration of the effect.

<!DOCTYPE html>     
<html>     
<head>     
    <meta charset="UTF-8">     
    <title>TransitionDemo</title>     
    <style>     
        #wrapper {     
            width: 1024px;     
            margin: 0 auto;     
        }     
        .progress-bar-bg {     
            width: 960px;     
            /*background-color: aliceblue;*/     
            background-color: lightyellow;     
        }     
        .progress-bar {     
            height: 40px;     
            width: 40px;     
            background-color: #69C;     
     
            border: 1px solid lightyellow;     
            border-radius: 5px;     
        }     
        .progress-bar:hover {     
            width: 960px;     
        }     
     
        #bar1 {     
            -webkit-transition: width 5s linear;     
            /*-webkit-transition: width 5s steps(6, end);*/     
            /*-webkit-transition: width 5s step-start;*/     
        }     
        #bar2 {     
            -webkit-transition: width 5s ease;     
        }     
        #bar3 {     
            -webkit-transition: width 5s ease-in;     
        }     
        #bar4 {     
            -webkit-transition: width 5s ease-out;     
        }     
        #bar5 {     
            -webkit-transition: width 5s ease-in-out;     
        }     
    </style>     
</head>     
<body>     
<div id="wrapper">     
    <p>linear</p>     
    <div>     
        <div id="bar1"></div>     
    </div>     
     
    <p>ease</p>     
    <div id="bar2"></div>     
     
    <p>ease-in</p>     
    <div id="bar3"></div>     
     
    <p>ease-out</p>     
    <div id="bar4"></div>     
     
    <p>ease-in-out</p>     
    <div id="bar5"></div>     
</div>     
</body>     
</html>

Multiple changes

To add multiple styles of transformation effects, the added attributes are separated by commas:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>php中文网(php.cn)</title>
<style> 
div {
    width: 100px;
    height: 100px;
    background: red;
    -webkit-transition: width 2s, height 2s, -webkit-transform 2s; /* For Safari 3.1 to 6.0 */
    transition: width 2s, height 2s, transform 2s;
}
div:hover {
    width: 200px;
    height: 200px;
    -webkit-transform: rotate(180deg); /* Chrome, Safari, Opera */
    transform: rotate(180deg);
}
</style>
</head>
<body>
<p><b>注意：</b>该实例无法在 Internet Explorer 9 及更早 IE 版本上工作。</p>
<div>鼠标移动到图标上，查看过渡效果。</div>
</body>
</html>

Transition attributes

The following table lists All transition attributes are listed:

##Attributes CSS

transition shorthand attribute, used in an attribute Set four transition properties.

transition-property Specifies the name of the CSS property that applies the transition. 3

Transition-Duration Define the time for the transition effect. The default is 0. 3

Transition-Timing-Function The time curve of the transition effect. The default is "ease". 3

transition-delay Specifies when the transition effect starts. The default is 0. 3

Use all transition attributes in one example:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>php中文网(php.cn)</title>
<style> 
div
{
width:100px;
height:100px;
background:red;
transition-property:width;
transition-duration:1s;
transition-timing-function:linear;
transition-delay:2s;
/* Safari */
-webkit-transition-property:width;
-webkit-transition-duration:1s;
-webkit-transition-timing-function:linear;
-webkit-transition-delay:2s;
}
div:hover
{
width:200px;
}
</style>
</head>
<body>
<p><b>注意：</b>该实例无法在 Internet Explorer 9 及更早 IE 版本上工作。</p>
<div></div>
<p>鼠标移动到 div 元素上，查看过渡效果。</p>
<p><b>注意：</b> 过渡效果需要等待两秒后才开始。</p>
</body>
</html>

Continuing Learning

new file

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>TransitionDemo</title> <style> #wrapper { width: 1024px; margin: 0 auto; } .progress-bar-bg { width: 960px; /*background-color: aliceblue;*/ background-color: lightyellow; } .progress-bar { height: 40px; width: 40px; background-color: #69C; border: 1px solid lightyellow; border-radius: 5px; } .progress-bar:hover { width: 960px; } #bar1 { -webkit-transition: width 5s linear; /*-webkit-transition: width 5s steps(6, end);*/ /*-webkit-transition: width 5s step-start;*/ } #bar2 { -webkit-transition: width 5s ease; } #bar3 { -webkit-transition: width 5s ease-in; } #bar4 { -webkit-transition: width 5s ease-out; } #bar5 { -webkit-transition: width 5s ease-in-out; } </style> </head> <body> <div id="wrapper"> <p>linear</p> <div class="progress-bar-bg"> <div class="progress-bar" id="bar1"></div> </div> <p>ease</p> <div class="progress-bar" id="bar2"></div> <p>ease-in</p> <div class="progress-bar" id="bar3"></div> <p>ease-out</p> <div class="progress-bar" id="bar4"></div> <p>ease-in-out</p> <div class="progress-bar" id="bar5"></div> </div> </body> </html>

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Automatic operation

CSS3 transition

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