When clicking the share-button on a posts, the links is helpfully selected for easy copying:
However, this stops working most of the time as soon as I click on anything on the page, e.g. the white background. Afterwards, the popups still open, but without the text being preselected. Reloading the page temporarily fixes this.
I’m running Chrome
Version 48.0.2564.109 m (64-bit)