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The value of the following expression is the string,
"minute", if the length change is 1 minute; otherwise, the
value is the string, "minutes":
Conditional If-true If-false
expression expression expression
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v v v
----------- -------- ---------
change == 1 ? "minute" : "minutes"
You can, if you wish, employ parentheses to delineate the Boolean expression, but parentheses are not needed in the example, because the equality operator has precedence higher than that of the conditional operator.