Javascript unset array

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

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you can assign a new array to it:

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

OR

array = [];

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Assign an empty array to it

   x = []

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array.length = 0

should work.

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What about delete?

delete array

Or to delete a single index:

delete array[x]

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

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FOR REFERENCE (I know its old and answered)

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If you want to empty the array, that has been answered already. If you want to unset the array, you could assign an unset variable...

var undef;
var myArr = [];
...
myArr = undef;
// typeof myArr == undefined