对一个元素应用动画特效。
如需了解更多有关 .effect()
方法的细节,请查看 API 文档 .effect()。
点击按钮预览特效。
- <!doctype html>
- <html lang="en">
- <head>
- <meta charset="utf-8">
- <title>jQuery UI 特效 - .effect() 演示</title>
- <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
- <script src="//code.jquery.com/jquery-1.9.1.js"></script>
- <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
- <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
- <style>
- .toggler { width: 500px; height: 200px; position: relative; }
- #button { padding: .5em 1em; text-decoration: none; }
- #effect { width: 240px; height: 135px; padding: 0.4em; position: relative; }
- #effect h3 { margin: 0; padding: 0.4em; text-align: center; }
- .ui-effects-transfer { border: 2px dotted gray; }
- </style>
- <script>
- $(function() {
- // 运行当前选中的特效
- function runEffect() {
- // 从中获取特效类型
- var selectedEffect = $( "#effectTypes" ).val();
- // 大多数的特效类型默认不需要传递选项
- var options = {};
- // 一些特效带有必需的参数
- if ( selectedEffect === "scale" ) {
- options = { percent: 0 };
- } else if ( selectedEffect === "transfer" ) {
- options = { to: "#button", className: "ui-effects-transfer" };
- } else if ( selectedEffect === "size" ) {
- options = { to: { width: 200, height: 60 } };
- }
- // 运行特效
- $( "#effect" ).effect( selectedEffect, options, 500, callback );
- };
- // 回调函数
- function callback() {
- setTimeout(function() {
- $( "#effect" ).removeAttr( "style" ).hide().fadeIn();
- }, 1000 );
- };
- // 根据选择菜单值设置特效
- $( "#button" ).click(function() {
- runEffect();
- return false;
- });
- });
- </script>
- </head>
- <body>
- <div class="toggler">
- <div id="effect" class="ui-widget-content ui-corner-all">
- <h3 class="ui-widget-header ui-corner-all">特效(Effect)</h3>
- <p>
- Etiam libero neque, luctus a, eleifend nec, semper at, lorem. Sed pede. Nulla lorem metus, adipiscing ut, luctus sed, hendrerit vitae, mi.
- </p>
- </div>
- </div>
- <select name="effects" id="effectTypes">
- <option value="blind">百叶窗特效(Blind Effect)</option>
- <option value="bounce">反弹特效(Bounce Effect)</option>
- <option value="clip">剪辑特效(Clip Effect)</option>
- <option value="drop">降落特效(Drop Effect)</option>
- <option value="explode">爆炸特效(Explode Effect)</option>
- <option value="fade">淡入淡出特效(Fade Effect)</option>
- <option value="fold">折叠特效(Fold Effect)</option>
- <option value="highlight">突出特效(Highlight Effect)</option>
- <option value="puff">膨胀特效(Puff Effect)</option>
- <option value="pulsate">跳动特效(Pulsate Effect)</option>
- <option value="scale">缩放特效(Scale Effect)</option>
- <option value="shake">震动特效(Shake Effect)</option>
- <option value="size">尺寸特效(Size Effect)</option>
- <option value="slide">滑动特效(Slide Effect)</option>
- <option value="transfer">转移特效(Transfer Effect)</option>
- </select>
- <a href="#" id="button" class="ui-state-default ui-corner-all">运行特效</a>
- </body>
- </html>
本实例使用 HTML Canvas 元素,绘制了 jQuery UI 提供的所有 easings。 点击每个图可查看该 easing 的行为。。
- <!doctype html>
- <html lang="en">
- <head>
- <meta charset="utf-8">
- <title>jQuery UI 特效 - Easing 演示</title>
- <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
- <script src="//code.jquery.com/jquery-1.9.1.js"></script>
- <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
- <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
- <style>
- .graph {
- float: left;
- margin-left: 10px;
- }
- </style>
- <script>
- $(function() {
- if ( !$( "<canvas>" )[0].getContext ) {
- $( "<div>" ).text(
- "您的浏览器不支持 canvas,本演示需要在支持 canvas 的浏览器下进行。"
- ).appendTo( "#graphs" );
- return;
- }
- var i = 0,
- width = 100,
- height = 100;
- $.each( $.easing, function( name, impl ) {
- var graph = $( "<div>" ).addClass( "graph" ).appendTo( "#graphs" ),
- text = $( "<div>" ).text( ++i + ". " + name ).appendTo( graph ),
- wrap = $( "<div>" ).appendTo( graph ).css( 'overflow', 'hidden' ),
- canvas = $( "<canvas>" ).appendTo( wrap )[ 0 ];
- canvas.width = width;
- canvas.height = height;
- var drawHeight = height * 0.8,
- cradius = 10;
- ctx = canvas.getContext( "2d" );
- ctx.fillStyle = "black";
- // 绘制背景
- ctx.beginPath();
- ctx.moveTo( cradius, 0 );
- ctx.quadraticCurveTo( 0, 0, 0, cradius );
- ctx.lineTo( 0, height - cradius );
- ctx.quadraticCurveTo( 0, height, cradius, height );
- ctx.lineTo( width - cradius, height );
- ctx.quadraticCurveTo( width, height, width, height - cradius );
- ctx.lineTo( width, 0 );
- ctx.lineTo( cradius, 0 );
- ctx.fill();
- // 绘制底线
- ctx.strokeStyle = "#555";
- ctx.beginPath();
- ctx.moveTo( width * 0.1, drawHeight + .5 );
- ctx.lineTo( width * 0.9, drawHeight + .5 );
- ctx.stroke();
- // 绘制顶线
- ctx.strokeStyle = "#555";
- ctx.beginPath();
- ctx.moveTo( width * 0.1, drawHeight * .3 - .5 );
- ctx.lineTo( width * 0.9, drawHeight * .3 - .5 );
- ctx.stroke();
- // 绘制 easing
- ctx.strokeStyle = "white";
- ctx.beginPath();
- ctx.lineWidth = 2;
- ctx.moveTo( width * 0.1, drawHeight );
- $.each( new Array( width ), function( position ) {
- var state = position / width,
- val = impl( state, position, 0, 1, width );
- ctx.lineTo( position * 0.8 + width * 0.1,
- drawHeight - drawHeight * val * 0.7 );
- });
- ctx.stroke();
- // 点击时动态改变
- graph.click(function() {
- wrap
- .animate( { height: "hide" }, 2000, name )
- .delay( 800 )
- .animate( { height: "show" }, 2000, name );
- });
- graph.width( width ).height( height + text.height() + 10 );
- });
- });
- </script>
- </head>
- <body>
- <div id="graphs"></div>
- </body>
- </html>