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Mobile Web front-end development CSS animation experience sharing_html/css_WEB-ITnose
Mobile Web front-end development CSS animation experience sharing_html/css_WEB-ITnose
Jun 24, 2016 am 11:53 AM
Talking about animation effects. CSS animation is a powerful tool for Mobilweb development, and CSS animation must be discussed. Due to issues such as Mobil device capabilities, most animation implementation plans on PC are not feasible on Mobil. Fortunately, I can use CSS animation on Mobil. Today I will take a look at the three main members of CSS animation.
CSS change (Transit
The default mutation animation of transit. When the CSS properties are changed, define the CSS properties that need to be changed. The transit animation is triggered. But not all CSS property changes will trigger translat. There is no official document that lists those that are possible and those that are not, but you can use some tips to identify them. For example, those values ??are continuous numeric characteristics. For example, width, height, top, left, color, opac are all possible, but visibl is not possible, even though its value is a numeric type. But it is not continuousand has high performance. It can be run on transitiphon and Android platforms.
It can also be defined through JavaScript. It is very easy to use. ??>
1. Define the transit characteristics of the Dom element (duratdelaitimefunction, etc.) 2. Use JavaScript to change the CSS style of the Dom elementHow to, 1. Define the transit characteristics of the Dom element (duratdelaitimefunction, etc.) 2 .Use JavaScript to change the CSS style of the Dom element
<-webkit-transition-properti can define specific characteristics that require mutation. Features - webkit-transition-dur defines animation time - webkit-transition-delai defines delay time - webkit-transition-timing-funct defines Bezier curve function < - webkit-transition-properti can define specific characteristics . For example, multiple properties of widthheight are separated by commas. You can also define all so that all style property changes with continuous numerical types will trigger transition. Now you can try to create a transit <- webkit-transition-timing-funct can define the mutation speed curve of animation. div.slid{-webkit-transition:opac500mease-out100ms;}<-webkit-transition-timing-funct can define the mutation speed curve of the animation. It can be set to, Anim, which is different from transit, needs to define frames. -webkit-animation-nam specifies the key frame name (the name of the animation) -webkit-animation-dur specifies the number of seconds or milliseconds to complete the animation -webkit-animation- timing-funct specifies the speed curve of the animation -webkit-animation-delai delays the start of animation -webkit-animation-iteration-count playback times; default: 1 can be defined as infinite) -webkit-animation-direct animation direction; default: normal use from represents the starting frame, @-webkit-keyframsquarePath{from{top:100px;left:100px;}to{top:0px;left:0px;}
A nimat
A nimat
A nimat
transit is very simple and convenient to use, but if you want to control the changes of each frame yourself, then transit is not satisfactory. At this time, you need to use animanim with the following features,
This way I can define a complete anim
.squareA nim{-webkit-animation-name:squarePath;-webkit-animation-duration:4s;-webkit-animation-timing-function:linear;-webkit-animation-iteration-count:infinite;}
You can also use abbreviations, .squareA nim{-webkit-animation-name:squarePath;-webkit-animation-duration:4s;-webkit-animation-timing-function:linear;-webkit-animation-iteration- count:infinite;}
When I define anim and use JavaScript to set animations to elements, -webkit-animation:squarePath4slinear0infinite
webkitA nimationStart animation starts webkitA nimationIteration animation repeatedly executes webkitA nimationEnd animation ends
You can still monitor these events.
Transform
Transform is primarily a change. Transform, deform... It does not have the function of mutation or animation, but the combination of transform and transit can achieve very beautiful and powerful effects. Commonly used features include:
The transform coordinate system is different from the coordinate system of the document flow. Displacement
means that when the element is transformed, it will not affect the original document flow. rotat rotation skew skew scale proportion translat change.
You can use CSS to operate transform
You can also use JavaScript to operate the webkitTransform feature to set or get transform-20pxscale2rotat45degtranslat5px.
div.style.webkitTransform='rotateY10degtranslateX10px';
Strings operated by the above methods, div.style.webkitTransform='rotateY10degtranslateX10px';
The returned matrix not only contains matrix characteristics, but also contains some methods that allow me to set transform, vartheTransform= window.getComputedStyldiv.webkitTransform;varmatrix=newWebKitCSSMatrixtheTransform;
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How do I create checkboxes in HTML using the element?
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To create an HTML checkbox, use the type attribute to set the element of the checkbox. 1. The basic structure includes id, name and label tags to ensure that clicking text can switch options; 2. Multiple related check boxes should use the same name but different values, and wrap them with fieldset to improve accessibility; 3. Hide native controls when customizing styles and use CSS to design alternative elements while maintaining the complete functions; 4. Ensure availability, pair labels, support keyboard navigation, and avoid relying on only visual prompts. The above steps can help developers correctly implement checkbox components that have both functional and aesthetics.
How do I minimize the size of HTML files?
Jun 24, 2025 am 12:53 AM
To reduce the size of HTML files, you need to clean up redundant code, compress content, and optimize structure. 1. Delete unused tags, comments and extra blanks to reduce volume; 2. Move inline CSS and JavaScript to external files and merge multiple scripts or style blocks; 3. Simplify label syntax without affecting parsing, such as omitting optional closed tags or using short attributes; 4. After cleaning, enable server-side compression technologies such as Gzip or Brotli to further reduce the transmission volume. These steps can significantly improve page loading performance without sacrificing functionality.
How do I create a basic HTML document?
Jun 19, 2025 pm 11:01 PM
To create a basic HTML document, you first need to understand its basic structure and write code in a standard format. 1. Use the declaration document type at the beginning; 2. Use the tag to wrap the entire content; 3. Include and two main parts in it, which are used to store metadata such as titles, style sheet links, etc., and include user-visible content such as titles, paragraphs, pictures and links; 4. Save the file in .html format and open the viewing effect in the browser; 5. Then you can gradually add more elements to enrich the page content. Follow these steps to quickly build a basic web page.
How has HTML evolved over time, and what are the key milestones in its history?
Jun 24, 2025 am 12:54 AM
HTMLhasevolvedsignificantlysinceitscreationtomeetthegrowingdemandsofwebdevelopersandusers.Initiallyasimplemarkuplanguageforsharingdocuments,ithasundergonemajorupdates,includingHTML2.0,whichintroducedforms;HTML3.x,whichaddedvisualenhancementsandlayout
How do I use the element to represent the footer of a document or section?
Jun 25, 2025 am 12:57 AM
It is a semantic tag used in HTML5 to define the bottom of the page or content block, usually including copyright information, contact information or navigation links; it can be placed at the bottom of the page or nested in, etc. tags as the end of the block; when using it, you should pay attention to avoid repeated abuse and irrelevant content.
How do I embed video in HTML using the element?
Jun 20, 2025 am 10:09 AM
To embed videos in HTML, use tags and specify the video source and attributes. 1. Use src attributes or elements to define the video path and format; 2. Add basic attributes such as controls, width, height; 3. To be compatible with different browsers, you can list MP4, WebM, Ogg and other formats; 4. Use controls, autoplay, muted, loop, preload and other attributes to control the playback behavior; 5. Use CSS to realize responsive layout to ensure that it is adapted to different screens. Correct combination of structure and attributes can ensure good display and functional support of the video.
