如果以前回答过这个问题,我很抱歉,我无法通过搜索找到它.
我必须标记4个元素,以便在它们被取消隐藏时触发事件("display:none"被删除).我认为mutObserver是正确的方法,但我很难过滤到我需要的事件.
有没有经验呢？
编辑:不幸的是,我们无法访问实际取消隐藏元素的脚本.他们由另一个团队拥有和保护.我们唯一可以关键的是当元素被取消隐藏时.
我试图弄清楚如何根据我的需要编辑它.
// Blocker is the element that has a changing display value
var blocker = document.querySelector( '#blocker' );
// Trigger changes the display value of blocker
var trigger = document.querySelector( '#trigger' );
// Our mutation observer, which we attach to blocker later
var observer = new MutationObserver( function( mutations ){
mutations.forEach( function( mutation ){
// Was it the style attribute that changed? (Maybe a classname or other attribute change could do this too? You might want …