isInteger isInteger(Number): Boolean Returns true if the given number is an integer (which lacks decimals), false if not. Parameters Name Description number The number to evaluate. Example This example indicates whether the input is an integer for different values. Note numbers within strings get coerced to numbers. Source %dw 2.0 output application/json --- [isInteger(1), isInteger(2.0), isInteger(2.2), isInteger("1")] Output [ true, true, false, true ]