In HTML5, which attribute is used to specify that the input field is required ( )
A: required
B: formvalidate
C: validate
D: placeholder
A: required
B: formvalidate
C: validate
D: placeholder
举一反三
- 在 HTML5 中,哪个属性用于规定输入字段是必填的?( ) A: required B: formvalidate C: validate D: placeholder
- HTML5 中,哪个属性用于规定输入字段是必填的?() A: validate B: required C: require D: placeholder
- 在HTML5中,哪个属性用于规定输入字段是必填项目? A: readonly B: required C: validate D: placeholder
- The new attribute of the form element is( ) A: placeholder B: required C: type D: list
- HTML5表单中,必填字段属性是( )。 A: needed B: placeholder C: required D: pattern