HTML tags | header

#html #tags #header

It is used to include introductory content or a set of links to navigate. Usually includes a header (<h1>-<h6>), a logo, a search form, information about the author...

Can be repeated within the same document but cannot be used within <footer>, <address> or another <header>.

It does not contribute to the outline of the document.

It has an implicit ARIA role banner, or none if it is a descendant of an <article>, <aside>, <main>, <nav> or <section> or of an element with an article, complementary, main, navigation or region role.

Type: block
Self-closing: No
Semantic value: Yes

Definition and example | Support

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An Animated Guide to Node.js Event Loop

Node.js doesn’t stop from running other operations because of Libuv, a C++ library responsible for the event loop and asynchronously handling tasks such as network requests, DNS resolution, file system operations, data encryption, etc.

What happens under the hood when Node.js works on tasks such as database queries? We will explore it by following this piece of code step by step.

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HTML tags | header

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An Animated Guide to Node.js Event Loop

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