http://www.oschina.net/code/snippet_12_7271
[代码] 图片预加载
03 | // Arguments are image paths relative to the current page. |
04 | $.preLoadImages = function () { |
05 | var args_len = arguments.length; |
06 | for ( var i = args_len; i--;) { |
07 | var cacheImage = document.createElement( 'img' ); |
08 | cacheImage.src = arguments[i]; |
09 | cache.push(cacheImage); |
13 | jQuery.preLoadImages( "image1.gif" , "/path/to/image2.png" ); |
[代码] 在新窗口打开链接 (target=”blank”)
1 | $( 'a[@rel$=' external ']' ).click( function (){ |
2 | this .target = "_blank" ; |
7 | <a href="http://www.catswhocode.com" rel="external">catswhocode.com</a> |
[代码] 当支持 JavaScript 时为 body 增加 class
1 | /* 该代码只有1行,但是最简单的用来检测浏览器是否支持 JavaScript 的方法,如果支持 JavaScript 就在 body 元素增加一个 hasJS 的 class */ |
2 | $( 'body' ).addClass( 'hasJS' ); |
[代码] 平滑滚动页面到某个锚点
01 | $(document).ready( function () { |
02 | $( "a.topLink" ).click( function () { |
03 | $( "html, body" ).animate({ |
04 | scrollTop: $($( this ).attr( "href" )).offset().top + "px" |
[代码] 鼠标滑动时的渐入和渐出
1 | $(document).ready( function (){ |
2 | $( ".thumbs img" ).fadeTo( "slow" , 0.6); // This sets the opacity of the thumbs to fade down to 60% when the page loads |
4 | $( ".thumbs img" ).hover( function (){ |
5 | $( this ).fadeTo( "slow" , 1.0); // This should set the opacity to 100% on hover |
7 | $( this ).fadeTo( "slow" , 0.6); // This should set the opacity back to 60% on mouseout |
[代码] 制作等高的列
2 | $( "div.col" ).each( function (){ |
3 | if ($( this ).height() > max_height) { max_height = $( this ).height(); } |
5 | $( "div.col" ).height(max_height); |
[代码] 在一些老的浏览器上启用 HTML5 的支持
04 | var e = "abbr,article,aside,audio,bb,canvas,datagrid,datalist,details,dialog,eventsource,figure,footer,header,hgroup,mark,menu,meter,nav,output,progress,section,time,video" .split( ',' ),i=e.length; while (i--){document.createElement(e[i])} |
09 | <script src= "http://html5shim.googlecode.com/svn/trunk/html5.js" ></script> |
[代码] 测试浏览器是否支持某些 CSS3 属性
01 | var supports = ( function () { |
02 | var div = document.createElement( 'div' ), |
03 | vendors = 'Khtml Ms O Moz Webkit' .split( ' ' ), |
06 | return function (prop) { |
07 | if ( prop in div.style ) return true ; |
09 | prop = prop.replace(/^[a-z]/, function (val) { |
10 | return val.toUpperCase(); |
14 | if ( vendors[len] + prop in div.style ) { |
15 | // browser supports box-shadow. Do what you need. |
16 | // Or use a bang (!) to test if the browser doesn't. |
24 | if ( supports( 'textShadow' ) ) { |
25 | document.documentElement.className += ' textShadow' ; |
[代码] 获取 URL 中传递的参数
1 | $.urlParam = function (name){ |
2 | var results = new RegExp( '[\\?&]' + name + '=([^]*)' ).exec(window.location.href); |
3 | if (!results) { return 0; } |
4 | return results[1] || 0; |
[代码] 禁用表单的回车键提交
1 | $( "#form" ).keypress( function (e) { |
posted on 2011-11-23 13:15
SIMONE 阅读(383)
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