1D0-720 · Question #40
What is the primary function of the HTML5 <!DOCTYPE html> declaration?
The correct answer is B. It instructs the browser to render the page in HTML5 mode. <!DOCTYPE html> is a document type declaration that tells the browser to render the page using the HTML5 standard, triggering "standards mode" instead of the older "quirks mode" - this is exactly what option B describes. Option A is wrong because CSS is linked via <link> tags…
Question
What is the primary function of the HTML5 <!DOCTYPE html> declaration?
Options
- AIt links the HTML page to CSS stylesheets.
- BIt instructs the browser to render the page in HTML5 mode.
- CIt includes JavaScript files in the webpage.
- DIt is used to define the character encoding of the webpage.
How the community answered
(19 responses)- A5% (1)
- B84% (16)
- D11% (2)
Explanation
<!DOCTYPE html> is a document type declaration that tells the browser to render the page using the HTML5 standard, triggering "standards mode" instead of the older "quirks mode" - this is exactly what option B describes. Option A is wrong because CSS is linked via <link> tags or <style> blocks, not DOCTYPE. Option C is wrong because JavaScript is included with <script> tags. Option D is wrong because character encoding is declared with <meta charset="UTF-8"> inside the <head>.
Memory tip: Think of DOCTYPE as a document identity card - it tells the browser what kind of document it's dealing with before anything else is processed. No style, no scripts, just a rendering instruction.
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