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                    <h1 class="title">PhosphorJS</h1>
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                        <li><a href="https://github.com/phosphorjs/">GitHub</a></li>
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                        <li><a href="about.html">About</a></li>
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                    <h2>Robust</h2>
                    <p>PhosphorJS provides a rich set of widgets, layouts, events, and data structures. These enable developers to construct advanced, production-quality, desktop-like web applications that would be otherwise impossible using CSS alone. 
                    <h2>Modular</h2>
                    <p>PhosphorJS libraries cover a range of topics including message passing, signaling, attached properties, data structures, widgets, and layouts. </p>
                    <p>Each is separately installable via NPM, allowing developers to use them individually, according to their needs.</p>
                    <h2>Performant</h2>
                    <h3>Speed matters.</h3>
                    <p>To maintain a 60fps refresh rate in response to user interaction, an application has ~16ms to perform all logic calculations, DOM manipulations, reflows, and repaints. Meeting this threshold is challenging for sizable, multi-tab, single-page, applications.</p>
                    <p>PhosphorJS widgets and layouts are written with efficiency in mind, minimizing reflows whenever possible and consistently achieving sub-millisecond layout times. </p>
                    <p>This leaves as much of the time-slice as possible to be used for the execution of business logic.</p>
                    <h2>Extensible</h2>
                    <p>PhosphorJS plays well with existing web frameworks and libraries. It is not an opinionated and rigid toolset that constrains the developer to a specific model or data flow.</p>
                    <p>Rather, it allows the developer to build high-performance user interfaces with well-structured widget hierarchies in a flexible manner.</p>
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                    <h2>PhosphorJS</h2>
                    <p>A framework for building <br>
                    high performance, pluggable, <br>
                    desktop-style web applications</p>
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