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WCAGA

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

WCAG references
  • 2.5.2 Pointer Cancellation (A)

Official methodology to test criterion 2.5.2

Test 1 (2.5.2)

  1. ulist:
    • 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.