题目内容

在H5格式的文档中，若想在表单输入框内出现一些提示信息，可以使用下列哪个属性:

A. form
B. placeholder
C. required
D. autocomplete

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在H5格式的文档中，若希望某个表单输入框是必须填写内容的非空输入框，则必须在该输入框中设置下列哪个属性:

A. form
B. placeholder
C. autocomplete
D. required

查看答案

H5中新增的datalist元素的（）属性的值必须与单行文本框的相关属性值相匹配，才能够使单行文本框既有文本输入功能，又有列表功能。

A. list属性
B. id属性
C. class属性
D. link属性

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创建一个文本域所需的标签是

A.
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在H5格式的文档中，若想在表单输入框内出现一些提示信息，可以使用下列哪个属性:

A. form B. placeholder C. required D. autocomplete

在H5格式的文档中，若希望某个表单输入框是必须填写内容的非空输入框，则必须在该输入框中设置下列哪个属性:

H5中新增的datalist元素的（ ）属性的值必须与单行文本框的相关属性值相匹配，才能够使单行文本框既有文本输入功能，又有列表功能。

创建一个文本域所需的标签是

A. form
B. placeholder
C. required
D. autocomplete

H5中新增的datalist元素的（）属性的值必须与单行文本框的相关属性值相匹配，才能够使单行文本框既有文本输入功能，又有列表功能。