This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The transitionstart event is fired when a CSS transition has started.
TransitionEventdocument, element
| Property | Type | Description |
|---|---|---|
target Read only
| EventTarget | The event target (the topmost target in the DOM tree). |
type Read only
| DOMString | The type of event. |
bubbles Read only
| Boolean | Whether the event normally bubbles or not |
cancelable Read only
| Boolean | Whether the event is cancellable or not? |
propertyNameRead only
| DOMString | The name of the CSS property associated with the transition. |
elapsedTimeRead only
| Float | The amount of time the transition has been running, in seconds, when this event fired. Note that this value is not affected by the value of transition-delay. |
pseudoElementRead only
| DOMString | The name (beginning with two colons) of the CSS pseudo-element on which the transition occured (in which case the target of the event is that pseudo-element's corresponding element), or the empty string if the transition occurred on an element (which means the target of the event is that element). |
| Specification | Status | Comment |
|---|---|---|
| CSS Transitions Level 2 The definition of 'transitionstart' in that specification. | Editor's Draft | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | ? | ? | 10 | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | ? | ? | ? | ? | ? |
TransitionEvent interfacetransitionend, transitioncancel
transition, transition-delay, transition-duration, transition-property, transition-timing-function.
© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/Events/transitionstart