![javascript - TypeError: Cannot read property 'webContents' of undefined at ipcMainImpl. in electron - Stack Overflow javascript - TypeError: Cannot read property 'webContents' of undefined at ipcMainImpl. in electron - Stack Overflow](https://i.stack.imgur.com/sN6vx.png)
javascript - TypeError: Cannot read property 'webContents' of undefined at ipcMainImpl. in electron - Stack Overflow
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Electron app for front end ? all data is local ... backend is blockchain - Getting Started - Internet Computer Developer Forum
webContents.fromId issue just after web-contents-created event · Issue #20404 · electron/electron · GitHub
![electron@7.1.1,webContents.print(): Invalid optional callback provided · Issue #21089 · electron/electron · GitHub electron@7.1.1,webContents.print(): Invalid optional callback provided · Issue #21089 · electron/electron · GitHub](https://user-images.githubusercontent.com/30287598/68661352-c99c5600-0575-11ea-871b-5a6cbca72fe3.png)