HTML and CSS Reference
In-Depth Information
9.5. The <input> Tag
Use the
<input>
tag to define any one of a number of common form "con-
trols," as they are called in the HTML and XHTML standards, including
text fields, multiple-choice lists, clickable images, and submission but-
tons. Although there are many attributes for the
<input>
tag, only the
name
attribute is required for each element (but not for a submission or
reset button; see the following explanation). And as we describe in detail
later, each type of input control uses only a subset of the allowed at-
tributes. Additional
<input>
attributes may be required based upon which
type of form element you specify.
Table 9-1
summarizes the various form
<input>
types and attributes, re-
quired and optional.
Table 9-1. Required and some common form element attributes
Attributes (x = required;
= optional;
blank
= not supported)
Form tag
or <in-
put> type
accept accesskey align alt border cols checked disabled maxlength multiple name notab onBlur onChange onClick onFocus onSelect readonly rows size src tabindex taborder usemap value wrap
button
checkbox
file
hidden
