80 lines
1.6 KiB
Markdown
80 lines
1.6 KiB
Markdown
<!--
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@license Apache-2.0
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Copyright (c) 2018 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# IS_BROWSER
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> Check if the runtime is a web browser.
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<section class="usage">
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## Usage
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```javascript
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var IS_BROWSER = require( '@stdlib/assert/is-browser' );
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```
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#### IS_BROWSER
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`Boolean` indicating if the runtime is a web browser.
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```javascript
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var bool = IS_BROWSER;
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// returns <boolean>
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```
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</section>
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<!-- /.usage -->
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<section class="notes">
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## Notes
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- In order to determine whether the runtime is a web browser, the implementation must resolve the global scope, thus requiring function generation. The use of function generation may be problematic in browser contexts enforcing a strict [content security policy][mdn-csp] (CSP).
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</section>
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<!-- /.notes -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var IS_BROWSER = require( '@stdlib/assert/is-browser' );
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console.log( IS_BROWSER );
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// => <boolean>
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```
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</section>
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<!-- /.examples -->
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<section class="links">
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[mdn-csp]: https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
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</section>
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<!-- /.links -->
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