iframe tag in html allows us to embed 2nd pages' content into the current page. However, the scrollbar is only customizable in Internet Explorer with CSS. And this property for only supporting 1 browser is definitely not enough for the this world. Here I will share a method with Javascript for customizing the scrollbar which supports multiple browsers.
Content Page
First of all, create a content page that contains the data that will show in the frame. Besides the basic html elements, like head, title, body, we need to put some javascript codes in the page. Please download the file menu_content.html and copy those code inside the tag "script".
iframe tag and the scrollbar
Now we come to the iframe tag, here is the reference for the iframe
The only important thing for the iframe tag is adding scrolling=no.
And for the scrollbar, of coz we need a up and down arrows.