Summary

  • window

    • Root object that has children DOM, BOM, and JavaScript
    • Global object for JavaScript code

  • DOM (Document Object Model)

    • Represent all page content as objects
    • The document object is the main entry point to the page which we can use to modify the page

  • BOM (Browser Object Model)

    • Represent additional objects provided by the browser for working with everything except the document such as the navigator object and the location object
    • Functions alert/confirm/prompt are also a part of BOM: they are directly not related to the document, but represent pure browser methods of communicating with the user

  • DOM specification

    • Describes the document structure, manipulations and events

  • CSSOM specification

    • Describes stylesheets and style rules, manipulations with them and their binding to documents

  • HTML specification

    • Describe the HTML language (e.g. tags) and also the BOM (browser object model) - various browser functions: setTimeout, alert, location and so on. It takes the DOM specification and extends it with many additional properties and methods.

References