Identity Operators

isNull

{{$isNull value}}

Evaluates to true if value is null.

Arguments

Name	Description	Type	Required
value	A static value or a variable path	Any

Returns

(Boolean)

Example

Template

{{#if ($isNull category) }}Category is null{{/if}}

Data

Result

isNotNull

{{$isNotNull value}}

Evaluates to true if value is not null.

Arguments

Name	Description	Type	Required
value	A static value or a variable path	Any

Returns

(Boolean)

Example

Template

{{#if ($isNotNull category) }}Category is not null{{/if}}

Data

Result

isNil

{{$isNil value}}

Evaluates to true if value is null or undefined .

Arguments

Name	Description	Type	Required
value	A static value or a variable path	Any

Returns

(Boolean)

Example

Template

{{#if ($isNil category) }}Category is nil{{/if}}

Data

Result

isNotNil

{{$isNotNil value}}

Evaluates to true if value is not null or undefined.

Arguments

Name	Description	Type	Required
value	A static value or a variable path	Any

Returns

(Boolean)

Example

Template

{{#if ($isNotNil category) }}Category is not nil{{/if}}

Data

Result

isEmpty

{{$isEmpty path}}

Evaluates to true if the value of the variable path is undefined, null , an empty string ('') , empty object ({}), or an empty array ([]).

Arguments

Name	Description	Type	Required
path	A path to a variable to check for a value	Any

Returns

(Boolean)

Example

Template

{{#if ($isEmpty category )}}Category is empty{{/if}}

Data

Result

isNotEmpty

{{$isNotEmpty value}}

Evaluates to true if value is not undefined, null, an empty string (''), an empty object ({}), and not an empty array ([]).

Arguments

Name	Description	Type	Required
path	A path to a variable to check for a value	Any

Returns

(Boolean)

Example

Template

{{#if ($isNotEmpty category) }}Category is not empty{{/if}}

Data

Result