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{{Distinguish|Document Object Model}}
{{unreferenced|date=September 2015}}
{{HTML}}
The '''Browser Object Model''' ('''BOM''') is a browser-specific [[Naming convention (programming)|convention]] referring to all the objects exposed by the [[web browser]].<ref>{{Citation |last=Zakas |first=Nicholas C. |title=The Browser Object Model |date=2015-10-09 |url=https://onlinelibrary.wiley.com/doi/10.1002/9781118722176.ch8 |work=Professional Javascript® for Web Developers |pages=239–269 |place=Indianapolis, Indiana |publisher=Wiley Publishing, Inc. |language=en |doi=10.1002/9781118722176.ch8 |isbn=978-1-118-72217-6 |access-date=2022-09-10}}</ref> Unlike the [[Document Object Model]], there is no [[Product software implementation method|standard for implementation]] and no strict definition, so browser vendors are free to implement the BOM in any way they wish.<ref>{{Citation |last=Collins |first=Mark J. |title=Browser Environment |date=2017 |url=https://doi.org/10.1007/978-1-4842-2463-2_16 |work=Pro HTML5 with CSS, JavaScript, and Multimedia: Complete Website Development and Best Practices |pages=307–321 |editor-last=Collins |editor-first=Mark J. |place=Berkeley, CA |publisher=Apress |language=en |doi=10.1007/978-1-4842-2463-2_16 |isbn=978-1-4842-2463-2 |access-date=2022-09-10}}</ref>

That which we see as a window displaying a document, the browser program sees as a hierarchical collection of objects. When the browser [[Parsing#Computer languages|parses]] a document, it creates a collection of objects that define the document and detail how it should be displayed. The object the browser creates is known as the [[Document Object Model]] (DOM). It is part of a larger [[Library (computing)|collection]] of objects that the browser makes use of. This collection of browser objects is collectively known as the Browser Object Model, or BOM.<ref>{{Cite book |last=Meng |first=Weizhi |url=https://books.google.com/books?hl=en&lr=&id=JwdZEAAAQBAJ&oi=fnd&pg=PA21&dq=%22Browser+Object+model%22&ots=VpkKAhLn30&sig=0Hxi_Gi7tpTAduaqAOtAb1wPmOA#v=onepage&q&f=false |title=Emerging Information Security and Applications: Second International Symposium, EISA 2021, Copenhagen, Denmark, November 12-13, 2021, Revised Selected Papers |last2=Katsikas |first2=Sokratis K. |date=2022-01-12 |publisher=Springer Nature |isbn=978-3-030-93956-4 |language=en}}</ref>

The top level of the hierarchy is the <code>window</code> object, which contains the information about the [[Window (computing)|window]] displaying the document. Some of its fields are objects themselves that describe the document and related information.

==References==
{{Reflist}}

[[Category:Object models]]


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