isNull

Description

Validates a value if it is null

Input / Parameter

Name	Description	Input Type	Default	Options	Required
value	the value to validate.	Any	-	-	Yes

Output

Description	Output Type
Returns the validation value.	Boolean

Example

In this example, we will check whether a value is null and print the result in the console.

Step

1. Drag a button component into the canvas and open the Action tab. Select the press event of the button and drag the console function to the event flow.

2. Call the function isNull inside the console function.

3. Enter the value to be validated. In this example, we will enter the value "12".

   

Result

1. The console will print false since it's not a null value.