15. The non-transitory computer readable storage medium of claim 13 , wherein providing the first alert that includes the first haptic output selected based at least in part on the alert-salience setting of the device includes: determining a value of the alert-salience setting; in accordance with a determination that the alert-salience setting has a first value, providing the first alert that includes the first haptic output comprising a first haptic component and a second haptic component; and in accordance with a determination that the alert-salience setting has a second value different from the first value, providing the first alert that includes the first haptic output comprising the first haptic component but not including the second haptic component.
16. The non-transitory computer readable storage medium of claim 15 , wherein the second haptic component precedes the first haptic component.