What doctype do i need

Since I am looking for a job myself, however, I thought it might be wise to prepare for a web developer interview and answer some of these questions. The answers will not be exhaustive, but they will hopefully give you and me a good head start, should we want to dig a little bit deeper.

In the early days of the Internet, two main browsers were competing against one another. Netscape Navigator and Internet Explorer. They kept coming up with new features that were often incompatible with the other, already existing features or other browsers.

The new protocols were great for the new browsers and implementations, but they would totally break the existing sites. DTDs tell the parser how to translate the code into what you see on the screen so that the look is uniform across different browsers. Thus, it isn't really reliable since it doesn't make reference to the discussion. They have plenty of pages on that site that are well beyond out of date. So yes, I am saying that when the spec is superceeded.

Show 2 more comments. Stuart Burrows Stuart Burrows George Cummins George Cummins From W3Schools. Ken Pespisa Ken Pespisa The doctype declaration should be the very first thing in an HTML document, before the tag. The Overflow Blog. Does ES6 make JavaScript frameworks obsolete? Podcast Do polyglots have an edge when it comes to mastering programming Featured on Meta.

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Related 5. Hot Network Questions. Question feed. Accept all cookies Customize settings. Internet Explorer version 6 has a problem with that—this causes it to switch into Quirks mode, and as I explained earlier you most likely do not want that. The probability of all that happening all at once is quite slim, so the easiest way to solve the Internet Explorer problem is to simply omit the XML declaration.

Always include one of the doctypes mentioned here as the very first thing in all of your HTML documents. It will make sure that validators know what version of HTML you are using, so they can correctly report any mistakes you have made. It will also make sure that all recent web browsers use their Standards mode, which will give you more consistent results when you are styling the document with CSS.

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