What is the most efficient way to empty a javascript associative array? [duplicate]

What is the most efficient way to empty a javascript associative array?
[duplicate]

References

Reference NO 1

http://stackoverflow.com/questions/15189857/what-is-the-most-efficient-way-to-empty-a-javascript-associative-array

Reference NO 2

http://stackoverflow.com/questions/1232040/how-to-empty-an-array-in-javascript

Reference NO 3

http://stackoverflow.com/questions/173400/php-arrays-a-good-way-to-check-if-an-array-is-associative-or-sequential

Reference NO 4

http://stackoverflow.com/questions/3426979/javascript-checking-if-an-object-has-no-properties-or-if-a-map-associative-arra

Reference NO 5

http://stackoverflow.com/questions/1295584/most-efficient-way-to-create-a-zero-filled-javascript-array

Reference NO 6

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Reference NO 7

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Reference NO 8

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