jQuery.boxModelReturns: Booleanversion deprecated: 1.3, removed: 1.8
Description: States if the current page, in the user's browser, is being rendered using the W3C CSS Box Model.
version added: 1.0jQuery.boxModel
Note: This API has been removed in jQuery 3.0; check if
.document.compatMode is equal to
"CSS1Compat" instead. Or, even better - always specify a DOCTYPE and avoid using quirks mode which jQuery doesn't support.