Building with JavaScript on z/OS features

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IBM SDK for Node.js - z/OS is available at no license charge. Obtain the free SDK for IBM Z mainframe now and get started quickly.

Code using the popular Node.js framework

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Use the full JavaScript runtime, server-side APIs and libraries to efficiently build high-performance, highly scalable network applications. In the 2020 Stack Overflow Developer Survey, JavaScript was ranked as the most popular language and Node.js as the most popular framework.

Coding made easy with the npm JavaScript package manager

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Accelerate application delivery with the popular npm JavaScript package manager, which provides developers access to share and re-use over 1 million community Node.js modules, such as Express and Loopback. Its cross-platform and open-source nature allows for easy integration across different platforms for all aspects of the application lifecycle, from development and testing to deployment.

CICS support

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Node.js - z/OS applications can be hosted and managed by IBM CICS® Transaction Server as part of a CICS bundle while exploiting locally-optimized transport for calling CICS services.

Integrates with IMS, VSAM, Db2, z/OS Connect EE and more

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Node.js provides connectivity to all critical assets including IMS™, VSAM, Db2®, z/OS Connect EE and more.

V8 JavaScript engine

A powerful open-source JavaScript engine that compiles JavaScript source to the latest z/Architecture® instructions for optimal performance.

Technical details

Software requirements

  • z/OS V2R4 (5650-ZOS)
  • z/OS V2R3 (5650-ZOS)
  • z/OS V2R2 (5650-ZOS)

Hardware requirements

  • z15™
  • z14®
  • z13®/z13s™
  • zEnterprise® EC12/BC12
  • zEnterprise 196/114