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DOM wrote in a previous blog post , to write about today BOM and DOM
First, the basic concept
What is
- DOM: Document Object Model
- BOM: Browser Object Model
Both sum up in one sentence
- DOM: The html document (ie web page) completely converted to objects
- BOM: The various components of the browser completely converted to objects
Model shows the relationship between the object and the object, then the object Once you have it, is the operating object.
Second, with the DOM illustrates BOM
On the BOM and DOM browser
ABCD area are BOM, DOM for the E zone, and zone A tab is a document, that document
document is the root node in the DOM, the document object so that the object is both a DOM object BOM
DOM model diagram
Each element can be used as an object
BOM object graph
The inside of the window belongs to the double role, both BOM object is the global object browser, and other objects are properties window
Third, the summary
All things in JS through the DOM and BOM into an object, using a programming object properties and methods
