<html> <body> <webview nodeintegration src="zoom://host1" id="view" partition="webview-temp"/> </body> <script> const {ipcRenderer, webFrame} = require('electron') const view = document.getElementById('view') let finalNavigation = false view.addEventListener('dom-ready', () => { if (!finalNavigation && !view.canGoBack()) { view.setZoomLevel(2.0) } view.getZoomLevel((zoomLevel) => { view.getZoomFactor((zoomFactor) => { ipcRenderer.send('webview-zoom-level', zoomLevel, zoomFactor, view.canGoBack(), finalNavigation) if (!view.canGoBack() && !finalNavigation) { view.src = 'zoom://host2' } else if (!finalNavigation) { finalNavigation = true view.goBack() } }) }) }) </script> </html>