Is HTML text string within current scrolling visible area of browser window?

Jim Ault jimaultwins at
Sun Mar 27 14:50:12 EDT 2011

On Mar 27, 2011, at 7:42 AM, Keith Clarke wrote:

> Hi Jim,
> Thanks for the response and the pointers. Good to know that some  
> discovery can be achieved algorithmically - my dream is still alive!

You can also use 'marker' tags to add tiny elements that have id's
then just check to see if those are 'in view' rather than do a lot of  
calc/compare steps on larger elements that can be dynamic.

Jim Ault
Las Vegas

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