How To Make Reuseable HTML Navigation Menus?

Question

I\'m sure this topic comes up all the time,
But I can\'t seem to fine a concise answer.

I\'ve got a vertical menu bar that I want to reuse in webpages (>20)

Answer 1

Using a w3 script..

index.html

header.html

Title

nav.html

Your nav

See also: http://www.w3schools.com/howto/howto_html_include.asp

And don't forget to test this code on your localhost.