# JS API Diff

OpenHarmony 3.1 Release版本相较于OpenHarmony 3.0 LTS版本的JS API变更，参见各子系统的详细记录：
- [元能力](js-apidiff-ability.md)
- [无障碍](js-apidiff-accessibility.md)
- [帐号](js-apidiff-account.md)
- [ArkUI开发框架](js-apidiff-ace.md)
- [电源服务](js-apidiff-battery.md)
- [包管理](js-apidiff-bundle.md)
- [基础通信](js-apidiff-communicate.md)
- [语言编译器运行时](js-apidiff-compiler-and-runtime.md)
- [DFX](js-apidiff-dfx.md)
- [分布式数据管理](js-apidiff-distributed-data.md)
- [分布式硬件](js-apidiff-distributed-hardware.md)
- [事件通知](js-apidiff-event-and-notification.md)
- [文件管理](js-apidiff-file-management.md)
- [位置服务](js-apidiff-geolocation.md)
- [全球化](js-apidiff-global.md)
- [图形图像](js-apidiff-graphic.md)
- [Misc软件服务](js-apidiff-misc.md)
- [多模输入](js-apidiff-multi-modal-input.md)
- [OS媒体软件](js-apidiff-multimedia.md)
- [网络管理](js-apidiff-network.md)
- [资源调度](js-apidiff-resource-scheduler.md)
- [安全基础能力](js-apidiff-security.md)
- [泛Sensor服务](js-apidiff-sensor.md)
- [应用](js-apidiff-settings.md)
- [软总线](js-apidiff-soft-bus.md)
- [电话服务](js-apidiff-telephony.md)
- [USB服务](js-apidiff-usb.md)
- [用户IAM](js-apidiff-user-authentication.md)
- [窗口管理](js-apidiff-window.md)