Cannot read property 'length' of undefined TypeError: Cannot read property 'length' of undefined at L._updatePosition (<anonymous>:2:941402) at <anonymous>:2:604126
Cannot read property \'length\' of undefined
TypeError: Cannot read property \'length\' of undefined
at L._updatePosition (<anonymous>:2:941402)
at <anonymous>:2:604126
你好,哪个小程序,麻烦提供出现问题的具体机型、微信版本号、系统版本号,以及能复现问题的代码片段(https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html)
Cannot read property \'length\' of undefined TypeError: Cannot read property \'length\' of undefined at L._updatePosition (<anonymous>:2:941402) at <anonymous>:2:604126
Win7/Win10客户端3.0.0,基础库版本2.12.1
是基础库错误信息