Javascript and html

#1 part 1

use the writeln method of the document object to display the user agent in a tag in the webpage. hint: the useragent property of the window. navigator object contains the user agent.

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demo



#1 part 2

assign textnode with the first h2 element, and assign listnodes with all elements with a class name of 'language-item'.

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What is the primary difference between the header section of a document and the body? a. the body is displayed on the webpage and the header is not. b. the header is displayed on the webpage and the body is not. c. the tag for the body is self-closing, but the tags for the headers must be closed. d. the tag for the header is self closing, but the tag for the body must be closed.