Depends on your platform for serving up HTML. If it was node.js I would use ejs.co with the include. I suspect though you are using static HTML in which case you might want to look at this https://msdn.microsoft.com/en-us/library/ms525940(v=vs.90).aspx

On Sun, Jul 23, 2017 at 8:01 AM, Charles Hart Enzer, M.D. cenzer@gmail.com wrote:

"Cascading Snippet"

In HTML, I want to insert a header into 100's of pages.

But I want to update it only once -- and all the pages will be updated. Something on the order of how I manage formating with default.css.

Thank you.

*Shai / שי Charles Hart Enzer, M.D., FAACAP* *Aliyah https://en.wikipedia.org/wiki/Aliyah: Cincinnati to Jerusalem http://www.gojerusalem.com/items/263/German-Colony/'s German Colony https://en.wikipedia.org/wiki/German_Colony,_Jerusalem May, 2017*

*Volunteer Associate Professor of PsychiatryUniversity of Cincinnati Medical Center* *May all of us merit endless generations to live and thrive in the Holy Land*

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