小程序requestAnimationFrame()在真机上不能运行

如何看待微信公开课小程序热门讨论「小程序requestAnimationFrame()在真机上不能运行」
摘要：小程序requestAnimationFrame()在真机上不能运行
展开：在小程序上使用了requestAnimationFrame()这个方法在开发者工具上运行时好使的,为什么预览到真机上就不起作用了.!index.wxml!旋转动画viewclassanimationboxviewclassanimationbindtapclickAnimationimagesrc../images/radar_background.png/imageviewanimation{{animationData}}classline/view/view/view/旋转动画/.animationbox{position:fixed;top:0;width:100%;height:300px;/background:pink;/paddingtop:20px;}.animationbox.animation{position:relative;width:250px;height:250px;margin:0auto;}.animationbox.animation.line{position:absolute;top:50%;left:35px;width:90px;height:1px;background:000;}.animationbox.animationimage{width:250px;height:250px;}/index.js/data:{animationData:{},degree:0},onLoad:function(options){varthatthis;},onReady:function(){},onShow:function(){this.startAnimation();},startAnimation:function(){varthatthis;varlineMovenull;//创建动画实例varanimationwx.createAnimation({duration:400,timingFunction:linear,transformOrigin:100%0,})this.animationanimationfunctionani(){animation.rotate(that.data.degree+1).step();that.setData({animationData:animation.export()})lineMoverequestAnimationFrame(ani);that.lineMovelineMove;}ani();},stopAnimation:function(){varthatthis;cancelAnimationFrame(that.lineMove);console.log(this.lineMove);that.lineMovefalse;console.log(this.lineMove);},clickAnimation:function(){if(this.lineMove){this.stopAnimation();}else{this.startAnimation();}},