![]() However, the puppeteer documentation warns against using versions of Chromium that doesn't come with pupeeteer: So we looked into using a version of Chromium that comes with the distribution. Some concerns against using the bundled Chromium in the service were raised in T178189#3692824. We can tell puppeteer to not download Chromium and use some other binary, perhaps the one that comes with the distribution. Unless told otherwise, puppeteer downloads the Chromium version it needs on first launch. Puppeteer.launch().The chromium-render service depends on puppeteer, which in turn depends on having a Chromium binary available for use. Puppeteer.launch().then(async browser => `) Īn example of adding a window.readfile function into the page: const puppeteer = require('puppeteer') NOTE Functions installed via page.exposeFunction survive navigations.Īn example of adding an md5 function into the page: const puppeteer = require('puppeteer') If the puppeteerFunction returns a Promise, it will be awaited. ![]() When called, the function executes puppeteerFunction in node.js and returns a Promise which resolves to the return value of puppeteerFunction. The method adds a function called name on the page's window object. puppeteerFunction Callback function which will be called in Puppeteer's context. ![]() name Name of the function on the window object.The Puppeteer Documentation for page.exposeFunction() states: page.exposeFunction(name, puppeteerFunction) On the other hand, page.evaluateOnNewDocument() evaluates a predefined function when a new document is created and before any of its scripts are executed. The Puppeteer function page.exposeFunction() essentially allows you to access Node.js functionality within the Page DOM Environment. ![]()
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