HTML5 newly added properties

Add a new feature to the single check box in the 2 method so that the text can be selected directly by clicking

1. Place the option in the label tag to add the For property, and add the ID to the input tag with the same value.

2. Place the input tag inside the label label and note that the For property is not used inside the label label.

1. Add a Label property to the Optgroup, you can add a title to each group, the title is not selectable;

? 2. When you add a Label property to option, the property value of the default label

HTML5 newly added properties