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description=To understand these terms clearly, we need to know how JavaScript implemented. Indeed, a complete JavaScript implementation is made up of three distinct parts The Core (based on ECMAScript spec) The Document Object Model (DOM) The Browser Object Model (BOM) ECMAScript ECMA-262 describes it like this “ECMAScript can provide core scripting capabilities for a variety…;

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javascript vs dom vs bom relationship explained rajakvk s blog 101 captures 21 dec 2009 27 nov 2025 nov dec jan 03 2022 2023 2024 success fail about this capture timestamps the wayback machine http web archive org web 20231203093415 https vkanakaraj wordpress com 2009 12 18 javascript vs dom vs bom relationship explained rajakvk s blog javascript learning skip navigation about javascript vs dom vs bom relationship explained december 18 2009 5 14 am posted in javascript tagged notes to understand these terms clearly we need to know how javascript implemented indeed a complete javascript implementation is made up of three distinct parts the core based on ecmascript spec the document object model dom the browser object model bom ecmascript ecma 262 describes it like this ecmascript can provide core scripting capabilities for a variety of host environments and therefore the core scripting language is specified apart from any particular host environment a web browser is considered a host environment for ecmascript but it is not the only host environment a list of other host environments listed here apart from dom and bom each browser has its own implementation of the ecmascript interface document object model dom the document object model dom is an application programming interface api for html as well as xml the dom maps out an entire page as a document composed of a hierarchy of nodes like a tree structure and using the domapi nodes can be removed added and replaced dom level 1 consisted of two modules the dom core which provided a way to map the structure of an xml based document to allow for easy access to and manipulation of any part of a document and the dom html which extended the dom core by adding html specific objects and methods dom level 2 introduced several new modules of the dom to deal with new types of interfaces dom views describes interfaces to keep track of the various views of a document that is the document before css styling and the document after css styling dom events describes interfaces for events dom style describes interfaces to deal with css based styles dom traversal and range describes interfaces to traverse and manipulate a document tree dom level 3 further extends the dom with the introduction of methods to load and save documents in a uniform way contained in a new module called dom load and save as well as methods to validate a document dom validation in level 3 the dom core is extended to support all of xml 1 0 including xml infoset xpath and xml base note that the dom is not javascript specific and indeed has been implemented in numerous other languages for web browsers however the dom has been implemented using ecmascript and now makes up a large part of the javascript language other doms scalable vector graphics svg mathematical markup language mathml synchronized multimedia integration language smil browser object model bom browsers feature a browser object model bom that allows access and manipulation of the browser window using the bom developers can move the window change text in the status bar and perform other actions that do not directly relate to the page content because no standards exist for the bom each browser has its own implementation rate this share this facebook x like this like loading related javascript strange type conversion var x 2 navigate without leaving foot print in browser history 4 comments cesar kohl posted november 18 2010 at 5 59 pm permalink reply very interesting and helpful thanks for sharing prosun posted april 18 2012 at 7 02 pm permalink reply nice article great job rajakvk demian kasier posted july 16 2016 at 2 11 pm permalink reply fine article i d like to add that html5 codified much of the bom and thus created a standard sort of bhakti posted august 10 2016 at 10 11 am permalink reply its very helpful thank you leave a reply cancel reply δ tweet tweets by rajakvk categories angular 5 css design pattern general html javascript jquery tutorial 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