On 10/01/2021 15:35, Ahem A Rivet's Shot wrote:
> On 10 Jan 2021 15:13:39 GMT
> TimS  wrote:
>
>> On 10 Jan 2021 at 12:33:26 GMT, Ahem A Rivet's Shot 
>> wrote:
>>
>>> On Sun, 10 Jan 2021 12:15:58 +0000
>>> The Natural Philosopher  wrote:
>>>
>>>>   So PHP is not equivalent to JavaScript. PHP is fine at interrogating
>>>>   databases and doing a lot of server side stuff, but for popup
>>>> dialogues and menus that expand you need Javascript.
>>>
>>>  I thought those could be done in HTML and CSS these days.
>>
>> Not if you have a sequence of popups, where the content of a subsquent one
>> depends on the choice made in the previous one. And the choices in them,
>> or even whether they are presented at all, depends on what you read out
>> of your databases server-side.
>
>  I'd think sending the whole decision tree up front should work, it
> worked fine back when I was doing directory trees in early JavaScript on
> Netscape 2.
>
Yes, that is often the case. Ajax is also  not a bad way to build things
that are almost i-frames: small active regions within bigger static pages.

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