ArrayUnshift

This function adds one or more elements to the beginning of the original array and returns the length of the modified array.

Method Signature

ArrayUnshift(array=[modifiablearray], object=[any])

Arguments

Argument

Type

Required

Description

Default

array

modifiablearray

true

The array to add an item to

object

any

true

The value to add

Examples

Example with simple values

Add a new element to an array.

Run Example

arr = [ 
	1,
	2,
	3
];
newArrLen = arrayUnshift( arr, 0 );
writeOutput( newArrLen );

Result: 4

Using a member function

This is the same example as above, but using a member function on the array instead of a standalone function.

Run Example

arr = [ 
	1,
	2,
	3
];
newArrLen = arr.unshift( 0 );
writeOutput( newArrLen );

Result: 4

Additional Examples

Run Example

numbers = [ 
	1,
	2,
	3,
	4
];
Dump( ArrayUnShift( numbers, 0 ) ); // Outputs 5
moreNumbers = [
	5,
	6,
	7,
	8
];
Dump( ArrayUnShift( moreNumbers, 4 ) );
 // Outputs 5

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Method Signature

Arguments

Examples

Example with simple values

Using a member function

Additional Examples

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