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(Deep) copying an array using jQuery [duplicate]
...do deep copying, it is not suitable for multidimensional arrays:
var a =[[1], [2], [3]];
var b = a.slice();
b.shift().shift();
// a is now [[], [2], [3]]
Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
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edited Feb 18 '15 at 9:53
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edited Dec 31 '08 at 12:44
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answered Jan 4 '10 at 6:09
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