On click scrollbar show error in chrome or IE.

[dastiw1]

You can see this bug in demo

Uncaught TypeError: Cannot read property 'offsetTop' of undefined
    at a.startDrag (app.469ed2d6a8e1cda9b93f.js:272)
    at n (vue.esm.js:124)
    at HTMLDivElement.t (vue.esm.js:1656)

It's because e.explicitOriginalTarget works only in firefox.
How can fix it?

[luiguild]

I don't know (yet) how resolve this issue, but thanks to this report!

[shevchenic]

Yes, i have exactly the same issue.