The checked attribute of the input tag in html. jquery Judges Code _ jquery

The input tag has the checked attribute. When the type attribute of the input tag is set to button, an error is reported in vs if the checked attribute of the input tag is assigned a value, note that the feature checked is not an effective feature of element input. Although this error may occur, If you test it carefully, you will find that when the type attribute of input is set to button, it still has the checked attribute, the default value is false. The Code is as follows:

The Code is as follows: