Focusout event is not fired when an element is removed from the DOM in Firefox · Issue #2360 · jquery/jquery · GitHub
![html - JQuery Mobile focusout event for relatedTarget returns incorrect result in Safari - Stack Overflow html - JQuery Mobile focusout event for relatedTarget returns incorrect result in Safari - Stack Overflow](https://i.stack.imgur.com/ZefQF.png)
html - JQuery Mobile focusout event for relatedTarget returns incorrect result in Safari - Stack Overflow
Question - Why do methods like blur, focus, click, etc. generate warnings? · Issue #410 · jquery/jquery-migrate · GitHub
![javascript - jquery : focusout of non-required textarea prevent trigger click event of save button - Stack Overflow javascript - jquery : focusout of non-required textarea prevent trigger click event of save button - Stack Overflow](https://i.stack.imgur.com/GbZky.png)