• 2022-06-01
    The new attribute of the form element is( )
    A: placeholder
    B: required
    C: type
    D: list
  • A,B,D

    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)