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
- 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
- The function of the Caption attribute of the form is (). A: Ensure the title of the form B: Ensure the name of the form C: Ensure the boundary type of the form D: Ensure the font of the form
内容
- 0
html5新增表单控件属性中,()用于提示用户可输入的预期信息。 A: placeholder B: required C: list D: pattern
- 1
In a singly linked list which operation depends on the length of the list.( ) A: Interchange the first two elements of the list B: Delete the first element of the list C: Add an element before the first element of the list D: Delete the last element of the list
- 2
定义名为“学号”的属性,该属性的类型为“string”,该属性在XML中必须出现,下面正确的选项是( )。 未知类型:{'options': ['[!attribute name="学号" type="string" use="required" /]', '[attribute name="学号" type="string" use="prohibited" /]', '[attribute name="学号" type="string" use="required" /]', '[attribute name="学号" type="string" use="optional" /]'], 'type': 102}
- 3
input属性中HTML5新增哪些属性( )? A: width B: type C: list D: required
- 4
下列哪种方式创建的列表框允许选择多个列表项(<br/>)。 A: List list = new List() B: List list = new List(4) C: List list = new List(4, false) D: List list = new List(4, true)