The new attribute of the form element is（ ）
A: placeholder
B: required
C: type
D: list
A: placeholder
B: required
C: type
D: list
举一反三
- In HTML5, which attribute is used to specify that the input field is required ( ) A: required B: formvalidate C: validate D: placeholder
- In HTML, when the value of the TYPE attribute of the INPUT element in the form is set to ( ), it is used to create a reset button. A: reset B: set C: button D: Image
- HTML5 给form 标记新增了（ ）属性。 A: required B: novalidate C: placeholder D: autocomplete
- In HTML, when the value of the TYPE attribute of the INPUT element in<br/>the form is set to ( ), it is used to create a reset button. A: reset B: set C: button D: Image
- You<br/>are given pointers to first and last nodes of a singly linked list,<br/>which of the following operations are dependent on the length of the<br/>linked list? () A: Delete<br/>the first element B: Insert<br/>a new element as a first element C: Delete<br/>the last element of the list D: Add<br/>a new element at the end of the list