mandatory
required
validate
mustfill
value
method
type
action
placeholder
id
name
number
range
slider
progress
focus
autofocus
auto
active
regex
pattern
match
require
clear
erase
reset
refresh
<input type="textarea">
<textbox>
<textarea>
<multiline>
POST
GET
PUT
DELETE
target
href
<caption>
<title>
<legend>
<label>
What will this pattern accept?
<input pattern="[0-9]{4}">
Any number
Exactly 4 digits
At least 4 digits
Maximum 4 digits
<option>
<list>
<dropdown>
<select>
Relative
Absolute
Percentage
All of the above
ROWS and COLS
MARGINHEIGHT and MARGINWIDTH
Both (a) and (b) above
None of the above
Only numerals
Special characters
Alphanumeric characters
Another frame
Small front size
Scrollbar
Not possible
Frameset
Master Document
Template
Timeline
Supported in HTML5
Deprecated in HTML5
Required in HTML5
Used for multimedia