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Pop-First-Element

Command Description​

Pop the first element of the array

Command Prototype​

item = Shift(array)

Parameter Description​

ParameterRequiredTypeDefaultDescription
arrayTrueexpression[]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)