The following examples demonstrate ColdFusion expression evaluation.
2 * True + "YES" - ('y' & "es")
Result value as string: "2"
Explanation: (2*True) is equal to 2; ("YES"- "yes") is equal to 0; 2 + 0 equals 2.
"Five is " & 5
Result value as string: "Five is 5"
Explanation: 5 is converted to the string "5".
DateFormat("October 30, 2001" + 1)
Result value as string: "31-Oct-01"
Explanation: The addition operator forces the string "October 30, 2001" to be converted to a date-time object, and then to a number. The number is incremented by one. The DateFormat function requires its argument to be a date-time object; thus, the result of the addition is converted to a date-time object. One is added to the date-time object, moving it ahead by one day to October 31, 2001.
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