Canvas 5 Polyfill is a Javascript polyfill library to fill in new features for HTML 5 Canvas that browsers may not have implemented yet, such as Path2D objects and ellipse() on ...

HarmonyOS Next开发学习手册——旋转屏动画增强 在原旋转屏动画基础上，可配置渐隐和渐现的转场效果。完整的代码示例和效果如下。需要在EntryAbility.ets文件的onWindowStageCreate方法中添加处理逻辑 ...