break -- break from a loop

break -- break from a loop

break x -- interrupts execution of a loop, returning x as the value of the loop currently being evaluated.
break; -- interrupts execution of a loop, returning null as the value of the function currently being evaluated.

See also:

mapping over lists -- apply a function to each element of a list

scan -- apply a function to each element

apply -- apply a function to each element

while -- loop control

for -- loop control