On Sat, 15 Aug 2020 16:51:00 +0100, The Natural Philosopher wrote:

> On 15/08/2020 14:50, Martin Gregorie wrote:
>> Since all this can be done in the server, you need to know what the
>> page looked like before it was selected for transmission in order to
>> know if it has been modified by the server.
>
> if its php et al its GENERATED by the server.

Indeed, and IIRC Javascript can be used the same way - I use a bit of PHP
but avoid JS as, so far anyway, PHP plus HTML has let me do exactly what
I've needed to do.


--
Martin    | martin at
Gregorie  | gregorie dot org

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