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// XXX Should we use something like Moderniz instead of our custom detector?
function whichTransitionEvent() {
const el = document.createElement('fakeelement');
const transitions = {
transition: 'transitionend',
OTransition: 'oTransitionEnd',
MSTransition: 'msTransitionEnd',
MozTransition: 'transitionend',
WebkitTransition: 'webkitTransitionEnd',
};
for (const t in transitions) {
if (el.style[t] !== undefined) {
return transitions[t];
}
}
return null;
}
function whichAnimationEvent() {
const el = document.createElement('fakeelement');
const transitions = {
animation: 'animationend',
OAnimation: 'oAnimationEnd',
MSTransition: 'msAnimationEnd',
MozAnimation: 'animationend',
WebkitAnimation: 'webkitAnimationEnd',
};
for (const t in transitions) {
if (el.style[t] !== undefined) {
return transitions[t];
}
}
return null;
}
CSSEvents = {
transitionend: whichTransitionEvent(),
animationend: whichAnimationEvent(),
};
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