The Document object has important methods such as getElementById(), which returns a single document element (representing an open/close pair of HTML tags and all of the content between them) based on the value of its id attribute.
Answer: Option 1
If the element is a data element, the value is the value of the element’s value attribute, if it has one, or the empty string otherwise.
Answer: Option 2
The seamless attribute is a boolean attribute. When present, it specifies that the iframe should look like it is a part of the containing document (no borders...
Answer: Option 1
The input element with a type attribute whose value is “range” represents an imprecise control for setting the element’s value to a string representing a number.
Answer: Option 3
Each property may also have a cascaded value of ‘inherit’, which means that, for a given element, the property takes the same specified value as the property...