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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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