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Use IE to access the tested site (my Ie11,edge browser is the same), navigate to the page you want to test the action on, or the previous page of the page being tested. Press F12 to bring up developer tools, other features I'm not going to introduce, switch directly to the Performance tab.Follow the prompts by pressing the shortcut key Ctrl+e or by clicking the Start button in the upper left corner for analysis.Then on the page to be tested, here my a

-3025-4d19-bcbc-bc3d669b312f.png "class=" img-responsive center-block "style=" Border:0px;vertical-align: Middle;height:auto;margin-right:auto;margin-left:auto; "alt=" 8e288005-3025-4d19-bcbc-bc3d669b312f.png "/>CSS styles to help visualize editing online pagesCorporate Ipsum650) this.width=650; "Src=" http://www.igeekbar.com/igeekbar/networks/uploadimgthumb/ 5eb3e2a7-a8a8-436b-a835-a935124cacb4.png "class=" img-responsive center-block "style=" Border:0px;vertical-align: Middle;height:auto;margi

Use Chrome to access the site you're testing, and navigate to the page where you want to test the action or the previous page of the page being tested. Press F12 to bring up developer tools, other features I'm not going to introduce, switch directly to the Performance tab profiles.Click Start, generate profile, and manipulate the interface.Last click Stop, generate report, can be produced to see the specific time consumedUse Chrome's F12

+ I Parent element selector: ul > li Wildcard selector: * Pseudo-class and pseudo-elements: a:hover, you should remember that the browser processing selector is right-to-left, which is why the rightmost selector is faster-#id或. class. div * {...}//Bad . List Li {...}//Bad . List-item {...}//Good #list. List-item {...}//Good In your script, try to reduce the DOM's operation as much as possible. Cache everything, including attributes and obj

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jQuery plugin for ultra-smooth CSS3 transitions and transform animations. With this plugin, you can easily achieve many effects such as translate, rotate, scale, and skew. Supported Browsers: IE + +, Firefox 4+, Safari 5+, Chrome + +, Opera 11+, and Mobile Safari.Online DemoSOURCE download9.jQuery Flat shadow– Easy to achieve beautiful long shadow effectThe long shadow is actually extending the object's projection, the feeling is one kind of light illumination shadow, usually uses the angle to