loop

Description

Loop through a range of values or a list of elements

Input / Parameter

Name	Description	Input Type	Default	Options	Required
start	The starting point of the range of values to loop through.	Number	-	-	required if “data” has no input
end	The ending point of the range of values to loop through.	Number	-	-	required if “data” has no input
data	The list of elements to map.	List	-	-	required if “start” OR “end” has no input
extra	Additional data to be used in the callbacks.	Any	-	-	No

Output

Description	Output Type
Returns the formatted information.	Object

Object

Key	Description	Output Type
success	Boolean value to denote whether the function was executed successfully.	Text
message	The message to print.	Text
data	Any additional message or data to print.	Text

Callback

callback

The function to be executed when the loop runs successfully.

Example

In this example, we will loop through a range of numbers and print the values as they are looped through in the console.

Steps

1. Drag a button component to a page in the mobile designer and open up the Action tab.

   
2. Select the event click and drag the Control.loop function to the event flow.

   
3. Fill in the parameters of the function.

   
4. Drag the function to be executed if the loop function is successful to the node below the function. In this example, we are using the Log.write function and change the parameters dropdown to use input

   

Result

1. The range of values will be printed in the console.