HTML Basic
Which of the following is true if the property value of a name-value pair added by an element with an itemprop attribute is a meta element ?

On getting, if the element has a datetime content attribute, the IDL attribute must return that content attribute’s value
The value is the value of the element’s value attribute, if it has one, or the empty string otherwise
The value is the element’s textContent.
The value is the item created by the element.