Drop-in backward compatibility layer for migrating Select2 from 3.3.x to 4.0.13 without changing existing code. Translates methods, options, events, AJAX config, and matcher at runtime.
javascript jquery-plugin select2 jquery-select2 select2-migration select2-upgrade select2-backward-compatibility select2-wrapper select2-3-to-4 xss-fix
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Updated
Apr 3, 2026 - JavaScript