dpaste and warning upon leaving page

[Anonymouse via Digitalmars-d]

On Wednesday, 11 May 2016 at 22:18:47 UTC, Jack Stouffer wrote:
> On Tuesday, 10 May 2016 at 16:39:05 UTC, Anonymouse wrote:
>> I just had a PEBCAK moment where I was composing a large-ish 
>> snippet on dpaste, then accidentally left the page by clicking 
>> the back button on my mouse. Going back to the page I see my 
>> changes were lost.
>>
>> Could we maybe add a warning when leaving the page if the 
>> content has been changed? I think it's the onbeforeunload 
>> event, but I don't know javascript well.
>>
>> http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onbeforeunload_dom
>
> IIRC chrome does this automatically.

This was using Chrome, version 50 or thereabouts. Tested it again 
now and it doesn't warn.