DOM programming - review of window objects Please briefly describe the principle of script execution.What are the control statements and their meanings in JavaScript?How to create a function with parameters and how to call it?Preview, check and explain the nouns "root node", "child node" and "adjacent node". What are the common attributes of the window object? Please explain the function of the setTimeout() method. This chapter's tasks will use the DOM model to find an HTML element. This chapter will use the open() method of the window object to create advertising windows of various styles. This chapter will use the setTimeout() method of the window objectMethod and Date object make the tree structure of the date display effect HTML document What is DOM? Document Object Model? It is a set of Web standards of the W3C International Organization. It 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 objects Common methods and events of window objects 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 as clock display-1 Date object as clock display-2 Date object storageThe date of is the number of milliseconds since 00:00:00, January 1, 1970. The Date object is displayed as the clock. - 3 The grouped Date object of the Date method is displayed as the clock. - 4 The Date object is displayed as the clock. - 5-1 The Date object is displayed as the clock. - 5-2 Usage of setTimeout: setTimeout ("called function", "timed time") Example: var myTime=setTimeout ("distime()", 1000);The Date object is displayed by the clock - 6 Summary 2 History and location objects - 1 History object method history and location objects - 2 Location object attribute method history and location objects - 3 Common error summary Please briefly describe the tree structure of the HTML document?What are the common methods and meanings of window objects?Please list the methods of the Date object?Please explain where the setTimeout method is applicable?