# 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) - [程序访问控制](js-apidiff-access-control.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-complier-and-runtime.md) - [定制](js-apidiff-config-policy.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) - [启动恢复](js-apidiff-recovery.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) - [升级服务](js-apidiff-update.md) - [USB服务](js-apidiff-usb.md) - [用户IAM](js-apidiff-user-authentication.md) - [窗口管理](js-apidiff-window.md)