1e41f4b71Sopenharmony_ci# JS API Differences 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci- [Ability framework](js-apidiff-ability.md) 4e41f4b71Sopenharmony_ci- [Accessibility subsystem](js-apidiff-accessibility.md) 5e41f4b71Sopenharmony_ci- [Account subsystem](js-apidiff-account.md) 6e41f4b71Sopenharmony_ci- [Application subsystem](js-apidiff-application.md) 7e41f4b71Sopenharmony_ci- [ArkUI development framework](js-apidiff-arkui.md) 8e41f4b71Sopenharmony_ci- [Power management subsystem](js-apidiff-battery.md) 9e41f4b71Sopenharmony_ci- [Bundle management framework](js-apidiff-bundle.md) 10e41f4b71Sopenharmony_ci- [Communication subsystem](js-apidiff-communication.md) 11e41f4b71Sopenharmony_ci- [Compiler and runtime subsystem](js-apidiff-compiler-and-runtime.md) 12e41f4b71Sopenharmony_ci- [Customization subsystem](js-apidiff-customization.md) 13e41f4b71Sopenharmony_ci- [DFX subsystem](js-apidiff-dfx.md) 14e41f4b71Sopenharmony_ci- [Distributed data management subsystem](js-apidiff-distributed-data.md) 15e41f4b71Sopenharmony_ci- [Distributed hardware subsystem](js-apidiff-distributed-hardware.md) 16e41f4b71Sopenharmony_ci- [File management subsystem](js-apidiff-file-management.md) 17e41f4b71Sopenharmony_ci- [Location subsystem](js-apidiff-geolocation.md) 18e41f4b71Sopenharmony_ci- [Globalization subsystem](js-apidiff-global.md) 19e41f4b71Sopenharmony_ci- [Graphic subsystem](js-apidiff-graphic.md) 20e41f4b71Sopenharmony_ci- [Misc services subsystem](js-apidiff-misc.md) 21e41f4b71Sopenharmony_ci- [MSDP subsystem](js-apidiff-msdp.md) 22e41f4b71Sopenharmony_ci- [Multimodal input subsystem](js-apidiff-multi-modal-input.md) 23e41f4b71Sopenharmony_ci- [Multimedia subsystem](js-apidiff-multimedia.md) 24e41f4b71Sopenharmony_ci- [Common event and notification subsystem](js-apidiff-notification.md) 25e41f4b71Sopenharmony_ci- [Resource scheduler subsystem](js-apidiff-resource-scheduler.md) 26e41f4b71Sopenharmony_ci- [Security subsystem](js-apidiff-security.md) 27e41f4b71Sopenharmony_ci- [Pan-sensor subsystem](js-apidiff-sensor.md) 28e41f4b71Sopenharmony_ci- [Startup subsystem](js-apidiff-start-up.md) 29e41f4b71Sopenharmony_ci- [Telephony subsystem](js-apidiff-telephony.md) 30e41f4b71Sopenharmony_ci- [Test subsystem](js-apidiff-unitest.md) 31e41f4b71Sopenharmony_ci- [Update subsystem](js-apidiff-update.md) 32e41f4b71Sopenharmony_ci- [USB subsystem](js-apidiff-usb.md) 33e41f4b71Sopenharmony_ci- [User IAM subsystem](js-apidiff-user-iam.md) 34e41f4b71Sopenharmony_ci- [Web subsystem](js-apidiff-web.md) 35e41f4b71Sopenharmony_ci- [Window manager subsystem](js-apidiff-window.md)