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VA Technical Reference Model v 24.4

Sencha Ext JavaScript (JS)
Sencha Ext JavaScript (JS) Technology

General InformationGeneral Information help

Technologies must be operated and maintained in accordance with Federal and Department security and privacy policies and guidelines. More information on the proper use of the TRM can be found on the TRM Proper Use Tab/Section.

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Description: Sencha Ext JavaScript (JS) is a JavaScript framework for building cross-platform web applications targeting desktop, tablets, and smartphones. Ext JS leverages Hypertext Markup Language Level 5 (HTML5) features, Asynchronous JavaScript and Extensible Markup Language (AJAX), Dynamic Hypertext Markup Language (DHTML) and Document Object Model (DOM) scripting on modern browsers while maintaining compatibility and functionality for legacy browsers. The framework includes a unified set of pre-tested and configurable components used in the development process.

This product is available in three editions: Standard, Pro, and Premium. Each edition shares the same core set of functions, with the Premium edition being the most fully-featured. The scope of this entry includes all editions.

Sencha Ext JS is made available under Commercial License or the GNU General Public License version 3 (GPLv3). The Commercial License requires the payment of a fee for each Designated User (i.e. developer). If users choose not to pay a fee and use the GPLv3 license, they are required to release the source code of any program that the user distributes that uses Ext JS. If the user chooses to pay for a Commercial License, they are not required to disclose the source code.

This entry covers the Desktop Edition of this technology and not any mobile versions. Please note that the implementation of mobile technology applications that operate on Mobile Operating Systems must be reviewed and approved by the Mobile Technology and Endpoint Security Engineering Team:
Technology/Standard Usage Requirements: Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.
Section 508 Information: This technology has been assessed by the Section 508 Office and found non-conformant. The Implementer of this technology has the responsibility to ensure the version deployed is 508-compliant. Section 508 compliance may be reviewed by the Section 508 Office and appropriate remedial action required if necessary. For additional information or assistance regarding Section 508, please contact the Section 508 Office at Please see reference tab for more information concerning product versions.
Decision: View Decisions

Decision Source: TRM Mgmt Group
Decision Process: One-VA TRM v23.1
Decision Date: 01/11/2023 at 18:22:33 UTC
Introduced By: TRM Request
Vendor Name: Sencha, Inc.
- The information contained on this page is accurate as of the Decision Date (01/11/2023 at 18:22:33 UTC).