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1 | # to-fast-properties [![Build Status](https://travis-ci.org/sindresorhus/to-fast-properties.svg?branch=master)](https://travis-ci.org/sindresorhus/to-fast-properties)
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2 |
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3 | > Force V8 to use fast properties for an object
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4 |
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5 | [Read more.](http://stackoverflow.com/questions/24987896/)
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6 |
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7 | Use `%HasFastProperties(object)` and `--allow-natives-syntax` to check whether an object already has fast properties.
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8 |
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9 |
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10 | ## Install
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11 |
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12 | ```
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13 | $ npm install --save to-fast-properties
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14 | ```
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15 |
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16 |
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17 | ## Usage
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18 |
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19 | ```js
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20 | const toFastProperties = require('to-fast-properties');
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21 |
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22 | const obj = {
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23 | foo: true,
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24 | bar: true
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25 | };
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26 |
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27 | delete obj.foo;
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28 | // `obj` now has slow properties
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29 |
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30 | toFastProperties(obj);
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31 | // `obj` now has fast properties
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32 | ```
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33 |
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34 |
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35 | ## License
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36 |
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37 | MIT © Petka Antonov, John-David Dalton, Sindre Sorhus
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