why optional chaining operator cannot work in electron's tutorial-preload
i’m learning electron’s docments by myself. in this example https://fiddle.electronjs.org/launch?target=electron/v26.1.0/docs/fiddles/tutorial-preload https://github.com/electron/electron/tree/v26.1.0/docs/fiddles/tutorial-preload i tried to add an optional chaining operator in renderer.js like this const information = document.getElementById(‘info’) information.innerText = `This app is using Chrome (v${window.versions.chrome()}), Node.js (v${window.versions.node()}), and Electron (v${window.versions.electron()})` to const information = document.getElementById(‘info’) information?.innerText = `This app is using Chrome (v${window.versions.chrome()}), Node.js (v${window.versions.node()}),… Read More why optional chaining operator cannot work in electron's tutorial-preload