The transitionend event is fired in both directions - as it finishes transitioning to the transitioned state, and when it fully reverts to the default or non-transitioned state. If there is no transition delay or duration, if both are 0s or neither is declared, there is no transition, and none of the transition events are fired.


transitionend 事件会在 CSS transition 结束后触发. 当transition完成前移除transition时,比如移除css的transition-property 属性,事件将不会被触发.如在transition完成前设置 display 为"none",事件同样不会被触发。

JS script hooks into a triggered event to provide a 27 Jun 2018 There are JavaScript Events for working with CSS transitions and CSS animations. We can actually hook into the end of transitions or  29 Aug 2012 The CSS3 transitionEnd event is another example of a event based Note that not all the application API need or should be asynchronous. 14 Feb 2017 Not as nice, but works in all browsers and certainly “good enough”, don't you think? CSS Transitions emit an transitionend event whenever when an yields a lot of developer convenience when working with animatio 4 Aug 2011 advice to "listen for a transition end event".

Transitionend event not firing

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( Thus, if you transition two properties you get two events.) If you like this page, why not donate a little bit of money to help me pay my bills and crea Polymer also provides annotated event listeners, which allow you to specify event The CustomEvent constructor is not supported on IE, but the webcomponents In this example, the original event is triggered on a