有时由于的太多事件处理程序附加到的dom树，然后过于频繁执行的不同元素页感觉不到响应。

Sometimes pages feel less responsive because of too many event handlers attached to different elements of the DOM tree which are then executed too often.

youdao

有时由于的太多事件处理程序附加到的dom树，然后过于频繁执行的不同元素页感觉不到响应。

Sometimes pages feel less responsive because of too many event handlers attached to different elements of the DOM tree which are then executed too often.

youdao