Transition css là gì

CSS transitionsprovide a way to control animation tốc độ when changing CSS properties. Instead of having property changes take effect immediately, you can cause the changes in a property to lớn take place over a period of time. For example, if you change the color of an element from White khổng lồ blaông xã, usually the change is instantaneous. With CSS transitions enabled, changes occur at time intervals that follow an acceleration curve sầu, all of which can be customized.

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Animations that involve sầu transitioning between two states are often called implicit transitions as the states in between the start and final states are implicitly defined by the browser.


CSS transitions let you decide which properties lớn animate (by listing them explicitly), when the animation will start (by setting a delay), how long the transition will last (by setting a duration), và how the transition will run (by defining a timing function, e.g. linearly or quiông xã at the beginning, slow at the end).

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The Web author can define which property has to lớn be animated và in which way. This allows the creation of complex transitions. As it doesn"t make sense lớn animate some properties, the danh mục of animatable properties is limited khổng lồ a finite phối.

The tự động value is often a very complex case. The specification recommends not animating from & to lớn tự động. Some user agents, lượt thích those based on Gecko, implement this requirement & others, like those based on WebKit, are less strict. Using animations with automay lead lớn unpredictable results, depending onthe browser & its version, and should be avoided.

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CSS Transitions are controlled using the shorthand transition property. This is the best way khổng lồ configure transitions, as it makes it easier to avoid out of sync parameters, which can be very frustrating khổng lồ have to lớn spover lots of time debugging in CSS.

You can control the individual components of the transition with the following sub-properties:

(chú ý that these transitions loop infinitely only for the purpose of our examples; CSS transitions only visualize a property change from start to finish. If you need visualizations that loop, look into lớn the CSS animation property.)

transition-property Specifies the name or names of the CSSproperties lớn which transitions should be applied. Only properties listed here are animated during transitions; changes to all other properties occur instantaneously as usual. transition-duration Specifies the duration over which transitions should occur. You can specify a single duration that applies to lớn all properties during the transition, or multiple values to allow each property to lớn transition over a different period of time.

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