DOM Programming - Window Object Review Please briefly describe the principle of script execution. What are the control statements and their meanings in JavaScript? How to create a parameterized function and how to call it? What are the commonly used attributes of the window object? Please explain the function of the setTimeout() method. The task of this chapter is to use the DOM model to search for a certain HTML element. The open() method of the window object will be used to create various styles of advertisements. The setTimeout() method and Date object of the window object will be used to create the date display effect. What is the DOM DOM Document Object Model? It is a set of web standards developed by the W3C international organization, which defines a set of properties, methods, and events for accessing HTML document objects. DOM Object Model-1 DOM Object Model-2 Common Properties of Window Object Common Methods and Events of Window Object How to Use Window Object -1 How to Use Window Object -2-1 How to Use Window Object -2-2 How to Use Window Object -3 How to Use Window Object -4 How to Use Window Object -5 Summary 1 Date Object for Clock Display -1 Date Object for Clock Display -2 Date Object Stores the date in milliseconds since January 1, 1970 00:00:00 Date Object for Clock Display -3 Date Method Grouping Date Object for Clock Display -4 Date Object for Clock Display -5-1 Date Object for Clock Display -5-2 Usage of setTimeout: setTimeout Example: var myTime=setTimeout Disptime() ", 1000); Date Object Clock Display -6 Summary 2 History and Location Object -1 History Object Method History and Location Object -2 Location Object Attribute Method History and Location Object -3 Common Error Summary Please briefly describe the tree structure of HTML documents? What are the common methods and meanings of the window object? What are the methods of the Date object? Please explain where the setTimeout method is applicable?