Downloading jQuery. Compressed and uncompressed copies of jQuery files are available. The uncompressed file is best used during development or debugging; the compressed file saves bandwidth and improves performance in production. You can also download a sourcemap file for use when debugging with a compressed file. The map file is not required for users to run jQuery, it just improves the developer's debugger experience. As of jQuery 1.11.0/2.1.0 the //# sourceMappingURL comment is not included in the compressed file. To locally download these files, right-click the link and select "Save as...
" from the menu. The jQuery 1.x line had major changes as of jQuery 1.9.0. We strongly recommend that you also use the jQuery Migrate plugin if you are upgrading from pre-1.9 versions of jQuery or need to use plugins that haven't yet been updated. Download the compressed, production jQuery 1.12.3 Download the uncompressed, development jQuery 1.12.3 Download the map file for jQuery 1.12.3 jQuery 1.12.3 release notes. Easy Ajax and DOM manipulation for dynamic web applications. MooTools - a compact javascript framework. Unbeatable JavaScript Tools.
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