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isEmpty

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Overview

The isEmpty function takes an expression as argument. It returns true if the value resolved by the expression is empty. Otherwise, it returns false.

Note: Please refer to the differences between isBlank(), isNull() and isEmpty() and how data can be validated.

Return Type

  • BOOLEAN

Syntax

<variable> = <expression>.isEmpty();

where,

ParameterData typeDescription
<variable>BOOLEANVariable which will contain the returned boolean value.
<expression>TEXT/LIST/MAP/COLLECTIONVariable which will hold the expression awaiting the empty validation.

Examples

 listVar = {"Projects", "Mail", {"Zoho Creator", "Zoho CRM"}};
 info listVar.isEmpty(); //returns false

 collVar = Collection();
 info collVar.isEmpty(); //returns true

 mapVar = Map({"key1":"value1", "key2":"value2"});
 mapVar = {};
 info mapVar.isEmpty(); //returns true

 textVar = " ";
 info textVar.isEmpty(); //returns false

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