Pop-First-Element
Command Description
Pop the first element of the array
Command Prototype
item = Shift(array)
Parameter Description
| Parameter | Required | Type | Default | Description | 
|---|---|---|---|---|
| array | True | expression | [] | Need to delete and return the first element of the array | 
return
item,The variable used to save the output of the command.
Demo
TracePrint("----------------------Remove and return the first element------------------- ------") 
//------------------------------------------------------------------------------- 
//[Remarks] Delete and return the first element of the array. 
//Input parameter 1: 
//      array--an array whose first element needs to be removed and returned. 
//out parameters: 
//      item--The variable to which the output of the function call is saved. 
// 
//Command prototype: item=Shift(array) 
//------------------------------------------------------------------------------- 
item=Shift(["a","b","c"]) 
TracePrint(item)