Window object has been added to the HTML specification as part of HTML5. Prior to this, it has been an unofficial standard; browsers have implemented roughly the same set of features in a broadly consistent way. With HTML5, the
Window object in the specification incorporates the de facto functionality and a few enhancements. Implementation of this object is mixed; different browsers have different levels of compliance. This chapter focuses on the features that have a reasonable level of support.
NoteSome of the advanced features described in this chapter rely on DOM events, which are the ...