如何使用javascript / jquery检测document.hidden中的更改？

Question

I want to run some code when document.hidden is changed from false to true .

How can I do it?

Answer 1

You should use the visibilitychange event. See the MDN documentation for more information.

 document.addEventListener("visibilitychange", function() { console.log(document.visibilityState); console.log(document.hidden); }); 

Answer 2

You should use the visibilitychange event:

document.addEventListener("visibilitychange", function() {
  console.log( document.visibilityState );
});