What is difference between HTML and DHTML?

Html stands for Hypertext Markup Language and it is used to develop static(No change at run time) websites.

DHTML stands for Dynamic Hypertext Markup Language and it is used to develop dynamic websites (contents of webpages will be change on run time )

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HTML is a static language. just to show your page to the end user.

The HTML becomes DHTML when a developer modifies the HTML script in such a way that the data being showed on the page is dynamic i.e. retrieved from Database using some tool e.g. php etc

So the only difference is the HTML is static until its alone. but if we combine some other scripting language(s) the HTML becomes dynamic.

HTML is a markup language for describing the structure and semantics of text and its relationships to other documents.

DHTML is a term given to "HTML with some JavaScript" which was briefly popular in the lates. It isn't faster than HTML.

DHTML Dynamic HTML, its used to refer to the pages which has transition elements, animations created by Javascript or CSS, or anypage whose content changes through ajax calls. Not to be confused with Dynamic website where the pages are served from a database. For a page to be called as DHTML, the changes must happen while the page is completely rendered in the browser and users are able to observe the changes in real-time.

The difference is in the view of the web page and also a way the transition

Hi Mr. Nisreem, 

The difference between HTML and Dynamic HTML is that the navigation of the Web pages. When you are using HTML code. You can fully navigate the pages, like for example, if you're in home page and you will go to the gallery page. The navigation from home button to the gallery will be full page.  Unlike DHTML, there is always a similar part for every pages that doesn't change during navigation.