244 lines
7.2 KiB
Groff
244 lines
7.2 KiB
Groff
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<title>() (parentheses) | reference | Processing.js</title>
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<body>
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<div class="container">
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<div class="header">
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<a href="http://processingjs.org/"><img src="../images/header.png" width="177" height="42"></a>
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</div>
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<span class="tagline">a port of the Processing Visualization Language</span>
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<div class="navbar">
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<canvas width="940px" height="78px" data-processing-sources="/sketches/bannerSketch.pde"></canvas>
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<ul>
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<li><a href="http://processingjs.org/"><span>home</span></a></li>
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<li><a href="http://processingjs.org/download/"><span>download</span></a></li>
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<li><a href="index.html"><span>reference</span></a></li>
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<li><a href="http://processingjs.org/exhibition/"><span>exhibition</span></a></li>
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<li><a href="http://processingjs.org/learning/"><span>learning</span></a></li>
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<li><a href="http://processingjs.org/articles/"><span>articles</span></a></li>
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<li><a href="http://processingjs.org/community/"><span>community</span></a></li>
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<a class="viewsource" href="http://processingjs.org/sketches/bannerSketch.pde">view source</a>
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</div>
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<div class="page row">
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<div class="span11">
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>() (parentheses)</h3></td>
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</tr>
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<tr class="">
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<th scope="row">Examples</th>
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<td><div class="example"><pre>int a;
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a = (4 + 3) * 2; // Grouping expressions
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if (a > 10) { // Containing expressions
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line(a, 0, a, 100); // Containing a list of parameters
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}</pre></div></td>
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</tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>Grouping and containing expressions and parameters. Parentheses have multiple functions relating to functions and structures. They are used to contain a list of parameters passed to functions and control structures and they are used to group expressions to control the order of execution. Some functions have no parameters and in this case, the space between parentheses is blank.</td>
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</tr>
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<tr class="">
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<th scope="row">Syntax</th>
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<td><pre><kbd>function</kbd>()
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<kbd>function</kbd>(<kbd>p1</kbd>, ..., <kbd>pN</kbd>)
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<kbd>structure</kbd>(<kbd>expression</kbd>)</pre></td>
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</tr>
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<tr class="">
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<th scope="row">Parameters</th>
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<td><table cellpadding="0" cellspacing="0" border="0">
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<tr class="">
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<th scope="row">function</th>
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<td>any function</td>
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</tr>
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<tr class="">
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<th scope="row">p1...pN</th>
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<td>list of parameters specific to the function</td>
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</tr>
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<tr class="">
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<th scope="row">structure</th>
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<td>Control structure such as if, for, while</td>
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</tr>
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<tr class="">
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<th scope="row">expressions</th>
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<td>any valid expression or group of expression</td>
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</tr>
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</table></td>
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</tr>
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<tr class="">
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<th scope="row">Usage</th>
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<td>Web & Application</td>
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</tr>
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<tr class="">
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<th scope="row">Related</th>
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<td><a href="comma.1">, (comma)</a><br /></td>
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</tr>
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</table>
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<div class="cclicense">
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<p>This reference is licensed under the CC BY-NC-SA 2.0 license:</p>
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<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/2.0/">
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<img alt="Creative Commons License" border="0" src="../images/somerights20.gif" />
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</a>
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</div>
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</div>
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<div class="sidebar span4">
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<h3><a href="http://processingjs.org/download/">Downloads</a></h3>
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<ul>
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<li><a href="http://processingjs.org/download/">Download the latest version of Processing.js!</a></li>
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</ul>
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<h3><a href="http://processingjs.org/articles/">Articles</a></h3>
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<ul>
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<li><a href="http://processingjs.org/articles/jsQuickStart.html">Quick Start - JavaScript Developer</a></li>
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<li><a href="http://processingjs.org/articles/p5QuickStart.html">Quick Start - Processing Developer</a></li>
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<li><a href="http://processingjs.org/articles/RenderingModes.html">Rendering Modes</a></li>
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<li><a href="http://processingjs.org/articles/PomaxGuide.html">Pomax's Guide to processing-js</a></li>
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</ul>
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<h3><a>Web IDEs</a></h3>
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<ul>
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<li><a href="http://sketchpad.cc">Sketchpad.cc</a></li>
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<li><a href="http://processingjs.org/tools/processing-helper.html">Processing.js Helper</a></li>
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<li><a href="http://www.openprocessing.org">OpenProcessing.org</a></li>
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</ul>
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<h3><a href="http://processingjs.org/community/">Community</a></h3>
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<ul>
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<li><a href="irc://irc.mozilla.org/processing.js">IRC Channel</a></li>
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<li><a href="http://processing-js.lighthouseapp.com/">Bug Tracker</a></li>
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<li><a href="http://github.com/processing-js/processing-js/">Github Repository</a></li>
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<li><a href="http://groups.google.com/group/processingjs">Google Group</a></li>
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<li><a href="http://zenit.senecac.on.ca/wiki/index.php/">Open Source @ Seneca</a></li>
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</ul>
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<h3><a href="http://twitter.com/processingjs">Twitter Feed</a></h3>
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<div class="twitter"></div>
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</div>
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</div>
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<div class="footer">
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Processing is an open visualization language developed by
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<a href="http://benfry.com/">Ben Fry</a> & <a href="http://reas.com/">Casey Reas</a>,
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and originally ported to Javascript by
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<a href="http://ejohn.org/blog/processingjs/">John Resig</a>.
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Processing.js is maintained by the Processing.js team.
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</div>
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</div>
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<a href="http://github.com/processing-js/processing-js/">
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<img style="position: absolute; top: 0; right: 0; border: 0;" src="../images/forkme-right-orange.png" alt="Fork me on GitHub">
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</body>
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</html>
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