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- # vm-browserify
-
- emulate node's vm module for the browser
-
- [](https://travis-ci.org/browserify/vm-browserify)
-
- # example
-
- Just write some client-side javascript:
-
- ``` js
- var vm = require('vm');
-
- window.addEventListener('load', function () {
- var res = vm.runInNewContext('a + 5', { a : 100 });
- document.querySelector('#res').textContent = res;
- });
- ```
-
- compile it with [browserify](http://github.com/substack/node-browserify):
-
- ```
- browserify entry.js -o bundle.js
- ```
-
- then whip up some html:
-
- ``` html
- <html>
- <head>
- <script src="/bundle.js"></script>
- </head>
- <body>
- result = <span id="res"></span>
- </body>
- </html>
- ```
-
- and when you load the page you should see:
-
- ```
- result = 105
- ```
-
- # methods
-
- ## vm.runInNewContext(code, context={})
-
- Evaluate some `code` in a new iframe with a `context`.
-
- Contexts are like wrapping your code in a `with()` except slightly less terrible
- because the code is sandboxed into a new iframe.
-
- # install
-
- This module is depended upon by browserify, so you should just be able to
- `require('vm')` and it will just work. However if you want to use this module
- directly you can install it with [npm](http://npmjs.org):
-
- ```
- npm install vm-browserify
- ```
-
- # license
-
- MIT
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