Question

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How do i unset an array in javascript? i just want to empty it - so it has nothing in it keys or anything

flag	asked Mar 21 at 10:24 richpeers 6●1

stereofrog · Answer 1 · 2010-03-21 10:27:46Z

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Assign an empty array to it

   x = []

answered Mar 21 at 10:27

stereofrog
9,473●4●15

marcos · Answer 2 · 2010-03-21 10:28:12Z

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you can assign a new array to it:

var oldArray =["element1","element2","element3"];
...
oldArray = new Array();

answered Mar 21 at 10:28

marcos
692●1●9

Paul · Answer 3 · 2010-03-21 10:29:33Z

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array.length = 0

should work.

answered Mar 21 at 10:29

Paul
150●7

Björn · Answer 4 · 2010-03-21 10:28:14Z

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var array = ["elem", "item"];
...
array = []; // Empty!

answered Mar 21 at 10:28

Björn
4,015●3●14

James Brooks · Answer 5 · 2010-03-21 10:32:51Z

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What about delete?

delete array

Or to delete a single index:

delete array[x]

answered Mar 21 at 10:32

James Brooks
177●1●11

Javascript unset array

5 Answers