BOM is simply browser object;
BOM is the core object window, window in turn contains the six core modules! ! !
The picture below is all the link between the BOM and DOM
documentObjects, Document Object
framesThat since HTML framework
history, That is the history of the page
locationThat the address of the current page
navigatorIncluding browser-related information
Get the current browser information, is a string
screenThe user display screen related attributes
