file: Defines a file upload box with a browse button. Global Attributes The following attributes are standard across all HTML 5 tags (although the tabindex attribute does not apply to dialog elements). I have a button like following now the f1 function should show a alert box contain button value. The tag is an empty tag (i.e. tags, while other browsers will submit the content of the value attribute. You can probably get away with putting just any HTML inside a button, but MDN points out the “permitted content” of a button is limited to “phrasing content”. Can I submit form with multiple submit buttons using jQuery? It was working perfectly before I added CSS. Value name Notes; button: Defines a button-like input. Attribute Value Description; autofocus : autofocus: Specifies that the button should have input focus when the page loads. If you omit the value attribute in the HTML, the submitted form data assigns the value on to the group. Difference Between the Tag and