npm install clone
(It also works with browserify, ender or standalone.)
var clone = ;var a b;a = foo: bar: 'baz' ; // initial value of ab = ; // clone a -> bafoobar = 'foo'; // change aconsole; // show aconsole; // show b
This will print:
foo: bar: 'foo'foo: bar: 'baz'
clone masters cloning simple objects (even with custom prototype), arrays, Date objects, and RegExp objects. Everything is cloned recursively, so that you can clone dates in arrays in objects, for example.
clone(val, circular, depth)
val-- the value that you want to clone, any type allowed
falseif you are certain that
objcontains no circular references. This will give better performance if needed. There is no error if
nullis passed as
depth-- depth to which the object is to be cloned (optional, defaults to infinity)
obj-- the object that you want to clone
Does a prototype clone as described by Oran Looney.
var a b;a = hello: 'world' ;amyself = a;b = ;console;
This will print:
hello: "world" myself: Circular
b.myself points to
Some special objects like a socket or
stderr are known to not
be cloneable. If you find other objects that cannot be cloned, please open an
Bugs and Issues
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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