ExtJS Introduction let you know what ExtJS is _extjs

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ExtJS is a JavaScript-written, mainly used to create front-end user interface, is a background technology-independent front-end AJAX framework. Therefore, ExtJS can be used in a variety of development languages such as. Net, Java, PHP and so on.
ExtJS first based on the Yui technology, developed by the developer Jack Slocum, through the reference to the Java Swing mechanism to organize the visual components, regardless of the application of CSS styles from the UI interface to the data parsing of the exception processing, Can be regarded as a rare JavaScript client technology boutique.