On 2018-03-27, Chris Angelico <ros...@gmail.com> wrote: > Any time you see something that requires JavaScript for this, you know > you've found a web site that dates back to... uhh, actually I don't > know. I only have versioning info on MDN back as far as HTML 4.01 ergo > 1999, and the placeholder attribute is there. Of course, that doesn't > mean everyone *used* it, but it was certainly available.
'placeholder' was most certainly not in HTML 4 - it was an HTML 5 addition (i.e. it was standardised in 2014). Browser support arrived mainly in 2011/2012, so if a web site is 5 years old it probably could not have relied on this feature. -- https://mail.python.org/mailman/listinfo/python-list
