95 lines
2.6 KiB
HTML
95 lines
2.6 KiB
HTML
---
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layout: default
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title: Select2 4.0.0 Released
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slug: announcements-4.0
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---
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<div class="container">
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<section id="pre-release">
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<h2>Pre-release notes</h2>
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<p>
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The 4.0 release is ready for early adopters interested in testing it out.
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You can use the development version, available on GitHub, by getting the
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source code available in the <code>select2-ng</code> branch. The source
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code can be
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<a href="https://github.com/ivaynberg/select2/archive/select2-ng.zip">
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downloaded as a <code>zip</code> archive
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</a> as well.
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</p>
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</section>
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<section id="release">
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<h1>Select2 4.0.0</h1>
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<p>
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The 4.0 release of Select2 is the result of three years of working on the
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code base and watching where it needs to go. At the core, it is a full
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rewrite that addresses many of the extensibility and usability problems
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that could not be addressed in previous versions.
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</p>
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<p>
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This release contains many breaking changes, but easy-upgrade pathes have
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been created as well as helper modules that will allow for backwards
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compatibility to be maintained with past versions of Select2. Upgrading
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<em>will</em> require you to read the release notes carefully, but the
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migration path should be relatively straightforward. You can find more
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information on the modules that have been created to make upgrading easier
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by <a href="compat.html">looking at the compatibility guide</a> for older
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Select2 versions.
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</p>
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<p>
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Below is an in-depth review of what is new in Select2, as well as some of
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the major changes that have been made.
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</p>
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</section>
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<section id="plugins">
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<h2>Plugins</h2>
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<p>
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Select2 now provides interfaces that allow for it to be easily extended,
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allowing for anyone to create a plugin that changes the way Select2 works.
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This is the result of Select2 being broken into four distinct sections,
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each of which can be extended and used together to create your unique
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Select2.
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</p>
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<h3>
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Container (selection)
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</h3>
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<p>
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This includes the primary container that users interact with to open the
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dropdown.
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</p>
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<h3>
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Dropdown
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</h3>
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<p>
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This includes the dropdown that is opened when the container is clicked.
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This also includes the results list, which is a separate component.
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</p>
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<h3>
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Results
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</h3>
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<p>
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This includes the list of possible options that can be selected.
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</p>
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<h3>
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Data set
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</h3>
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<p>
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This is how the options are calculated.
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</p>
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</section>
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</div>
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