isBlank - logical function

isBlank

Overview

The isBlank function takes an expression as an argument, and returns true if it is a blank value. Otherwise, it returns false.

Return Type

  • BOOLEAN

Syntax

 <variable>=isBlank(<expression>);
 (or)
 <variable>=<expression>.isBlank();

where,

ParameterData typeDescription
<variable>BOOLEANVariable which will contain the returned boolean value.
<expression>ANY DATA TYPE

The expression which needs to be checked for blank values.

Find how isBlank operates on different values and returns corresponding boolean values.

Examples

 info isBlank({});// Returns true
 info " ".isBlank();// Returns true

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