What does the following line of code do? $("user").innerhtml = "hello, good friend! "; group of answer choices it gets the content of the element with "user" as its id attribute and appends "hello, good friend! " to that content. it sets the content of the element with "user" as its id attribute to "hello, good friend! " it sets the value property of the element with "user" as its id attribute to "hello, good friend! " it gets the value property of the element with "user" as its id attribute and appends "hello, good friend! " to that property.