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.
and 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
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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 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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