HTML - Browsing context

About

A browsing context 1) is a navigational context (environment) in which HTML document are rendered to the user.

Each browsing context has:

  • its own variable
  • its own cookie
  • its own dom and eventually a parent

A top level browsing context is a dom document that has no parent.

Creation

The following element contains a browsing context

Parent

The context are formed in a hierarchical way.

For instance, an iframe can be rendered:

If a svg is embedded in a video element, the SVG dom does not see any parent





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