How to use JavaScript to detect when the CSS conversion ends
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Detect when the conversion ends
We can use JavaScript to detect when the CSS transformation ends by clicking the "transitionend" event. As with setting the CSS3 property, it is important to note that some older versions of Chrome and Safari still depend on the prefix version of the event. To consider all possible prefixes, we can use the following function transitionend to return the supported "" event in the browser:
Function gettransitionend () {
Var root = document.documentElement
Var transitions = {
'transition':'transitionend'
'OTransition':'oTransitionEnd'
'MozTransition':'transitionend'
'WebkitTransition':'webkitTransitionEnd'
}
For (var t in transitions) {
If (root.style [t]! = = undefined) {
Return transitions [t]
}
}
Return undefined
}
/ / Example Usage:
Var transitionendevt = gettransitionend ()
If (transitionendevt) {/ / if transitionend event supported by browser
Element.addEventListener (transitionendevt, function (e) {
/ / do something after end of transition
}, false)
}
In this case, the event object is populated with properties, two of which are more useful event.propertyName, which returns a string containing a list of converted CSS3 property names, and event.elapsedTime returns the duration of the conversion in seconds.
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