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              r789
            
      # clone

      [![build status](https://secure.travis-ci.org/pvorb/node-clone.png)](http://travis-ci.org/pvorb/node-clone)

      [![info badge](https://nodei.co/npm/clone.png?downloads=true&downloadRank=true&stars=true)](http://npm-stat.com/charts.html?package=clone)

      offers foolproof _deep cloning_ of objects, arrays, numbers, strings etc. in JavaScript.

      ## Installation

          npm install clone

      (It also works with browserify, ender or standalone.)

      ## Example

      ~~~ javascript

      var clone = require('clone');

      var a, b;

      a = { foo: { bar: 'baz' } };  // initial value of a

      b = clone(a);                 // clone a -> b

      a.foo.bar = 'foo';            // change a

      console.log(a);               // show a

      console.log(b);               // show b

      ~~~

      This will print:

      ~~~ javascript

      { 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.

      ## API

      `clone(val, circular, depth)`

        * `val` -- the value that you want to clone, any type allowed

        * `circular` -- boolean

          Call `clone` with `circular` set to `false` if you are certain that `obj`

          contains no circular references. This will give better performance if needed.

          There is no error if `undefined` or `null` is passed as `obj`.

        * `depth` -- depth to which the object is to be cloned (optional,

          defaults to infinity)

      `clone.clonePrototype(obj)`

        * `obj` -- the object that you want to clone

      Does a prototype clone as

      [described by Oran Looney](http://oranlooney.com/functional-javascript/).

      ## Circular References

      ~~~ javascript

      var a, b;

      a = { hello: 'world' };

      a.myself = a;

      b = clone(a);

      console.log(b);

      ~~~

      This will print:

      ~~~ javascript

      { hello: "world", myself: [Circular] }

      ~~~

      So, `b.myself` points to `b`, not `a`. Neat!

      ## Test

          npm test

      ## Caveat

      Some special objects like a socket or `process.stdout`/`stderr` are known to not

      be cloneable. If you find other objects that cannot be cloned, please [open an

      issue](https://github.com/pvorb/node-clone/issues/new).

      ## Bugs and Issues

      If you encounter any bugs or issues, feel free to [open an issue at

      github](https://github.com/pvorb/node-clone/issues) or send me an email to

      <paul@vorba.ch>. I also always like to hear from you, if you’re using my code.

      ## License

      Copyright © 2011-2015 [Paul Vorbach](http://paul.vorba.ch/) and

      [contributors](https://github.com/pvorb/node-clone/graphs/contributors).

      Permission is hereby granted, free of charge, to any person obtaining a copy of

      this software and associated documentation files (the “Software”), to deal in

      the Software without restriction, including without limitation the rights to

      use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

      the Software, and to permit persons to whom the Software is furnished to do so,

      subject to the following conditions:

      The above copyright notice and this permission notice shall be included in all

      copies or substantial portions of the Software.

      THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

      IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

      FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

      COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

      IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, OUT OF OR IN CONNECTION WITH THE

      SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Last Author

admin move datatable to yarn	r789	# clone

		[![build status](https://secure.travis-ci.org/pvorb/node-clone.png)](http://travis-ci.org/pvorb/node-clone)

		[![info badge](https://nodei.co/npm/clone.png?downloads=true&downloadRank=true&stars=true)](http://npm-stat.com/charts.html?package=clone)

		offers foolproof _deep cloning_ of objects, arrays, numbers, strings etc. in JavaScript.


		## Installation

		npm install clone

		(It also works with browserify, ender or standalone.)


		## Example

		~~~ javascript
		var clone = require('clone');

		var a, b;

		a = { foo: { bar: 'baz' } }; // initial value of a

		b = clone(a); // clone a -> b
		a.foo.bar = 'foo'; // change a

		console.log(a); // show a
		console.log(b); // show b
		~~~

		This will print:

		~~~ javascript
		{ 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.


		## API

		`clone(val, circular, depth)`

		* `val` -- the value that you want to clone, any type allowed
		* `circular` -- boolean

		Call `clone` with `circular` set to `false` if you are certain that `obj`
		contains no circular references. This will give better performance if needed.
		There is no error if `undefined` or `null` is passed as `obj`.
		* `depth` -- depth to which the object is to be cloned (optional,
		defaults to infinity)

		`clone.clonePrototype(obj)`

		* `obj` -- the object that you want to clone

		Does a prototype clone as
		[described by Oran Looney](http://oranlooney.com/functional-javascript/).


		## Circular References

		~~~ javascript
		var a, b;

		a = { hello: 'world' };

		a.myself = a;
		b = clone(a);

		console.log(b);
		~~~

		This will print:

		~~~ javascript
		{ hello: "world", myself: [Circular] }
		~~~

		So, `b.myself` points to `b`, not `a`. Neat!


		## Test

		npm test


		## Caveat

		Some special objects like a socket or `process.stdout`/`stderr` are known to not
		be cloneable. If you find other objects that cannot be cloned, please [open an
		issue](https://github.com/pvorb/node-clone/issues/new).


		## Bugs and Issues

		If you encounter any bugs or issues, feel free to [open an issue at
		github](https://github.com/pvorb/node-clone/issues) or send me an email to
		<paul@vorba.ch>. I also always like to hear from you, if you’re using my code.

		## License

		Copyright © 2011-2015 [Paul Vorbach](http://paul.vorba.ch/) and
		[contributors](https://github.com/pvorb/node-clone/graphs/contributors).

		Permission is hereby granted, free of charge, to any person obtaining a copy of
		this software and associated documentation files (the “Software”), to deal in
		the Software without restriction, including without limitation the rights to
		use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
		the Software, and to permit persons to whom the Software is furnished to do so,
		subject to the following conditions:

		The above copyright notice and this permission notice shall be included in all
		copies or substantial portions of the Software.

		THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
		FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
		COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
		IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, OUT OF OR IN CONNECTION WITH THE
		SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.