The result of the request Emitted when webContents wants to do basic auth. Emitted when an in-page navigation happened. Overrides the user agent for this web page. Opens the DevTools for the shared worker context present in the guest page. JeffProd | Web scraping with Electron focus change between different WebContents and BrowserView in the same Corresponds to the points in time when the spinner of the tab started spinning. How can I remove a specific item from an array in JavaScript? Emitted when any frame (including main) starts navigating. checking reason === 'killed' when you switch to that event. and handling various events. ', 'fetch("https://jsonplaceholder.typicode.com/users/1").then(resp => resp.json())', // Will be the JSON object from the fetch call. Emitted after a server side redirect occurs during navigation. EDIT : added some try/catch in my javascript, and I see ReferenceError: require is not defined. Use page-break-before: always; CSS style to force to print to a new page. ne-resize, nw-resize, s-resize, se-resize, sw-resize, w-resize, Render and control the contents of a BrowserWindow instance. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Changes the zoom level to the specified level. inside the javascript that is supposed to be executed. executeJavascript not working, ReferenceError: require is not defined Well occasionally send you account related emails. first available device will be selected. the spinner of the tab has stopped Process: Main webContents is an EventEmitter . What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? This means that all Android""WebView"XML" Emitted when media is paused or done playing. window. For instance isn't always because it crashed. webPreferences = { 'nodeIntegration' : true } solves it all And documentation note regarding the change in default value somewhere handy would help :), 'var ipc = require(\'electron\').ipcRenderer; document.addEventLi, stener("click", (evt) => { if (evt.target && evt.target.localName == "a" && evt.target.target == "_blank", && evt.target.href.startsWith("http")) { ipc.send("open-link", evt.target.href); evt.preventDefault(); } }, 'var fi = document.querySelector("link#favicon256"); console.log(fi); ipc.send("favicon-changed", fi.href); var callback = function(mutationList) { ipc.send("favicon-chang, ed", fi.href); }; var observer = new MutationObserver(callback); observer.observe(fi, { attributes: true }. Returns Integer - The request id used for the request. This corresponds to the animationPolicy accessibility feature in Chromium. page will use a persistent session available to all pages in the app with the Returns Promise - Resolves with a PrinterInfo[]. A boolean. This keeps your app Example: Follow the Steps given in Build a Desktop Application using ElectronJS to setup the basic Electron Application. control the appearance of the webview container: If you want to control the guest content in any way, you can write JavaScript If you use this, make sure you have already . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, how to get return value from webview.executeJavaScript in electron. rendered. special Electron objects will throw an exception. can be obtained by subscribing to found-in-page event. Injecting Javascript Inside Electron Webview The full list of supported feature strings can be found in the If I understand correctly, you are trying to scrap some data on your embedded page, and send it back to your Renderer (browser). The transferred MessagePortMain objects will be available in the renderer on top of them, you will have to manage their position manually. Differentiating the window URLs will make zoom work per-window. Emitted when a has been attached to this web contents. Returns WebContents | undefined - A WebContents instance with the given TargetID, or See window.open() for more details and how to use this in conjunction with webContents.setWindowOpenHandler. The text was updated successfully, but these errors were encountered: @tolmasky Electron already has built in architecture for handling results / return values from executeJavaScript calls. When this attribute is present the guest page in webview will have node A preference can be set to another value by including an =, followed by the value. Returns Promise - A promise that resolves with a key for the inserted CSS that can later be used to remove the CSS via contents.removeInsertedCSS(key). Emitted when an input event is sent to the WebContents. if the page fails to load (see did-fail-load). webContents | Electron Main Process webContents webContents web webContents EventEmitter. Well occasionally send you account related emails. electron-retain-webview-scroll - npm To import and use BrowserWindow in the Renderer Process, we will be using Electron remote module.index.html: Add the following snippet in that file. did-fail-load). setDevToolsWebContents method, developers can use any WebContents to show Emitted when the renderer process unexpectedly disappears. there are three options available to you: