document.visibilityState polyfill

import "@mrhenry/core-web/modules/document.visibilityState";

browsers

• Android Webview:

  <4.4.3
• Chrome:

  <33
• Firefox:

  <18
• Firefox Android:

  <18
• Opera:

  <20
• Opera Android:

  <20
• Safari:

  <7.0
• iOS Safari:

  <7.0
• Samsung Mobile:

  <2.0

links

• documentation
• specification
• @mrhenry/polyfill-library

notes

• The alias `PageVisibility` works for this feature for backwards compatibility with the name under which it was previously (erroneously) available

dependencies

• CustomEvent
• Event