Principle 2: Operable Flashcards

User interface components and navigation must be operable.

1
Q

Make all functionality available from a keyboard.

A

Guideline 2.1 Keyboard Accessible

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2
Q

All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes, except where the underlying function requires input that depends on the path of the user’s movement and not just the endpoints.

A

2.1.1 Keyboard

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3
Q

What level is 2.1.1 Keyboard?

A

A

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4
Q

If keyboard focus can be moved to a component of the page using a keyboard interface, then focus can be moved away from that component using only a keyboard interface, and, if it requires more than unmodified arrow or tab keys or other standard exit methods, the user is advised of the method for moving focus away.

A

2.1.2 No Keyboard Trap

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5
Q

What level is 2.1.2 No Keyboard Trap?

A

A

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6
Q

All functionality of the content is operable through a keyboard interface without requiring specific timings for individual keystrokes.

A

2.1.3 Keyboard (No Exception)

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7
Q

What level is 2.1.3 Keyboard (No Exception)?

A

AAA

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8
Q

If a keyboard shortcut is implemented in content using only letter (including upper- and lower-case letters), punctuation, number, or symbol characters, then at least one of the following is true:

Turn off: A mechanism is available to turn the shortcut off;

Remap: A mechanism is available to remap the shortcut to include one or more non-printable keyboard keys (e.g., Ctrl, Alt);

Active only on focus: The keyboard shortcut for a user interface component is only active when that component has focus.

A

2.1.4 Character Key Shortcuts (added in 2.1)

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9
Q

What level is 2.1.4 Character Key Shortcuts?

A

A (added in 2.1)

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10
Q

Provide users enough time to read and use content.

A

Guideline 2.2 Enough Time

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11
Q

For each time limit that is set by the content, at least one of the following is true:

Turn off: The user is allowed to turn off the time limit before encountering it; or

Adjust: The user is allowed to adjust the time limit before encountering it over a wide range that is at least ten times the length of the default setting; or

Extend: The user is warned before time expires and given at least 20 seconds to extend the time limit with a simple action (for example, “press the space bar”), and the user is allowed to extend the time limit at least ten times; or

Real-time Exception: The time limit is a required part of a real-time event (for example, an auction), and no alternative to the time limit is possible; or

Essential Exception: The time limit is essential and extending it would invalidate the activity; or

20 Hour Exception: The time limit is longer than 20 hours.

A

2.2.1 Timing Adjustable

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12
Q

What level is 2.2.1 Timing Adjustable?

A

A

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13
Q

For moving, blinking, scrolling, or auto-updating information, all of the following are true:

Moving, blinking, scrolling: For any moving, blinking or scrolling information that (1) starts automatically, (2) lasts more than five seconds, and (3) is presented in parallel with other content, there is a mechanism for the user to pause, stop, or hide it unless the movement, blinking, or scrolling is part of an activity where it is essential; and

Auto-updating: For any auto-updating information that (1) starts automatically and (2) is presented in parallel with other content, there is a mechanism for the user to pause, stop, or hide it or to control the frequency of the update unless the auto-updating is part of an activity where it is essential.

A

2.2.2 Pause, Stop, Hide

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14
Q

What level is 2.2.2 Pause, Stop, Hide?

A

A

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15
Q

Timing is not an essential part of the event or activity presented by the content, except for non-interactive synchronized media and real-time events.

A

2.2.3 No Timing

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16
Q

What level is 2.2.3 No Timing?

A

AAA

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17
Q

Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.

A

2.2.4 Interruptions

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18
Q

What level is 2.2.4 Interruptions?

A

AAA

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19
Q

When an authenticated session expires, the user can continue the activity without loss of data after re-authenticating.

A

2.2.5 Re-authenticating

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20
Q

What level is 2.2.5 Re-authenticating?

A

AAA

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21
Q

Users are warned of the duration of any user inactivity that could cause data loss, unless the data is preserved for more than 20 hours when the user does not take any actions.

A

2.2.6 Timeouts

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22
Q

What level is 2.2.6 Timeouts?

A

AAA (added in 2.1)

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23
Q

Do not design content in a way that is known to cause seizures or physical reactions.

A

Guideline 2.3 Seizures and Physical Reactions

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24
Q

Web pages do not contain anything that flashes more than three times in any one second period, or the flash is below the general flash and red flash thresholds.

A

2.3.1 Three Flashes or Below Threshold

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25
Q

What level is 2.3.1 Three Flashes or Below Threshold?

A

A

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26
Q

Web pages do not contain anything that flashes more than three times in any one second period.

A

2.3.2 Three Flashes

27
Q

What level is 2.3.2 Three Flashes?

A

AAA

28
Q

Motion animation triggered by interaction can be disabled, unless the animation is essential to the functionality or the information being conveyed.

A

2.3.3 Animation from Interactions

29
Q

What level is 2.3.3 Animation from Interactions?

A

AAA (added in 2.1)

30
Q

Provide ways to help users navigate, find content, and determine where they are.

A

Guideline 2.4 Navigable

31
Q

A mechanism is available to bypass blocks of content that are repeated on multiple Web pages.

A

2.4.1 Bypass Blocks

32
Q

What level is 2.4.1 Bypass Blocks?

A

A

33
Q

Web pages have titles that describe topic or purpose.

A

2.4.2 Page Titled

34
Q

What level is 2.4.2 Page Titled?

A

A

35
Q

If a Web page can be navigated sequentially and the navigation sequences affect meaning or operation, focusable components receive focus in an order that preserves meaning and operability.

A

2.4.3 Focus Order

36
Q

What level is 2.4.3 Focus Order?

A

A

37
Q

The purpose of each link can be determined from the link text alone or from the link text together with its programmatically determined link context, except where the purpose of the link would be ambiguous to users in general.

A

2.4.4 Link Purpose (In Context)

38
Q

What level is 2.4.4 Link Purpose (In Context)?

A

A

39
Q

More than one way is available to locate a Web page within a set of Web pages except where the Web Page is the result of, or a step in, a process.

A

2.4.5 Multiple Ways

40
Q

What level is 2.4.5 Multiple Ways?

A

AA

41
Q

Headings and labels describe topic or purpose.

A

2.4.6 Headings and Labels

42
Q

What level is 2.4.6 Headings and Labels?

A

AA

43
Q

Any keyboard operable user interface has a mode of operation where the keyboard focus indicator is visible.

A

2.4.7 Focus Visible

44
Q

What level is 2.4.7 Focus Visible?

A

AA

45
Q

Information about the user’s location within a set of Web pages is available.

A

2.4.8 Location

46
Q

What level is 2.4.8 Location?

A

AAA

47
Q

A mechanism is available to allow the purpose of each link to be identified from link text alone, except where the purpose of the link would be ambiguous to users in general.

A

2.4.9 Link Purpose (Link Only)

48
Q

What level is 2.4.9 Link Purpose (Link Only)?

A

AAA

49
Q

Section headings are used to organize the content.

NOTE
“Heading” is used in its general sense and includes titles and other ways to add a heading to different types of content.

A

2.4.10 Section Headings

50
Q

What level is 2.4.10 Section Headings?

A

AAA

51
Q

Make it easier for users to operate functionality through various inputs beyond keyboard.

A

Guideline 2.5 Input Modalities

52
Q

All functionality that uses multipoint or path-based gestures for operation can be operated with a single pointer without a path-based gesture, unless a multipoint or path-based gesture is essential.

A

2.5.1 Pointer Gestures

53
Q

What level is 2.5.1 Pointer Gestures?

A

A

54
Q

For functionality that can be operated using a single pointer, at least one of the following is true:

No Down-Event
The down-event of the pointer is not used to execute any part of the function;
Abort or Undo
Completion of the function is on the up-event, and a mechanism is available to abort the function before completion or to undo the function after completion;
Up Reversal
The up-event reverses any outcome of the preceding down-event;
Essential
Completing the function on the down-event is essential.

A

2.5.2 Pointer Cancellation

55
Q

What level is 2.5.2 Pointer Cancellation?

A

A

56
Q

For user interface components with labels that include text or images of text, the name contains the text that is presented visually.

A

2.5.3 Label in Name

57
Q

What level is 2.5.3 Label in Name?

A

A

58
Q

Functionality that can be operated by device motion or user motion can also be operated by user interface components and responding to the motion can be disabled to prevent accidental actuation, except when:

Supported Interface
The motion is used to operate functionality through an accessibility supported interface;
Essential
The motion is essential for the function and doing so would invalidate the activity.

A

2.5.4 Motion Actuation

59
Q

What level is 2.5.4 Motion Actuation?

A

A

60
Q

The size of the target for pointer inputs is at least 44 by 44 CSS pixels except when:

Equivalent
The target is available through an equivalent link or control on the same page that is at least 44 by 44 CSS pixels;
Inline
The target is in a sentence or block of text;
User Agent Control
The size of the target is determined by the user agent and is not modified by the author;
Essential
A particular presentation of the target is essential to the information being conveyed.

A

2.5.5 Target Size

61
Q

What level is 2.5.5 Target Size?

A

AAA

62
Q

Web content does not restrict use of input modalities available on a platform except where the restriction is essential, required to ensure the security of the content, or required to respect user settings.

A

2.5.6 Concurrent Input Mechanisms

63
Q

What level is 2.5.6 Concurrent Input Mechanisms?

A

AAA