Version

2.6.10

Reproduction link

https://codepen.io/action-hong/pen/eaKmOy

Steps to reproduce

1. click "show/hide button" to hide button "add 1"
2. click "show/hide button" to show button "add 1"
3. click "add 1"

What is expected?

Repeat step 1 and step 2, Click the "add 1" to add 1 to the number

What is actually happening?

Repeat step 1 and step 2 , Click the "add 1" to add n(repeat times) to the number

5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36