### Version 2.6.10 ### Reproduction link [https://codepen.io/Dadboz/pen/vYBxerr](https://codepen.io/Dadboz/pen/vYBxerr) ### Steps to reproduce you have to test the demo on Mozilla and chrome by simply clicking the update button ### What is expected? expected the value to be updated before the confirm dialog fires ### What is actually happening? $nextTick still executes before the window.confirm dialog interrupts the DOM update on chrome but not on mozilla <!-- generated by vue-issues. DO NOT REMOVE -->