相关问题
相关文档
- SelectorQuery.exec: 小程序/开发/API/WXML/SelectorQuery/SelectorQuery.exec
- SelectorQuery.exec#参数: 小程序/开发/API/WXML/SelectorQuery/SelectorQuery.exec
- SelectorQuery.exec#功能描述: 小程序/开发/API/WXML/SelectorQuery/SelectorQuery.exec
- SelectorQuery.exec#返回值: 小程序/开发/API/WXML/SelectorQuery/SelectorQuery.exec
- MapContext.executeVisualLayerCommand: 小程序/开发/API/媒体/地图/MapContext/MapContext.executeVisualLayerCommand
传一个this进去试试
wx.createSelectorQuery().in(this).select('#myCanvas').fields