Tag Archives: chrome

Enabling experimental Developer Tools Experiments

Using chrome://flags/ it’s possible to enable “Developer Tools Experiments”. On the most recent Fronteers Conference, Umar Hansa showed that there are even more DevTools Experiments that one can enable: Enable “Developer Tools Experiments” via chrome://flags/ if you haven’t already In … Continue reading

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Chrome 64 – What’s New in DevTools

New to DevTools in Chrome 64: the real-time Performance Monitor, easier filtering with the Console Sidebar, and automatic message groupings in the Console.

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Using DevTools Features Without Opening DevTools using Puppeteer

Keeping a feature of the Chrome Devtools – such as the FPS Meter – running with the DevTools closed unfortunately is not possible (yet?). Kayce Basques provides us with a little workaround though: You can hack together a Puppeteer script … Continue reading

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CSS Paint API (Houdini’s Paint Worklet) available in Chrome 65!

Oh yeah, the CSS Paint API will be enabled by default in Chrome 65: CSS Paint API allows you to programmatically generate an image whenever a CSS property expects an image. Properties like background-image or border-image are usually used with … Continue reading

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End-to-end Tests that Don’t Suck with Puppeteer

Good introduction to using Puppeteer for your e2e tests: One of the most popular tools for e2e testing is Selenium, which is a tool for automating web browsers. Selenium sounds cool in theory: write one set of tests that run … Continue reading

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Browsershot: Convert a webpage to an image or PDF using headless Chrome

The folks over at Spatie have just release Browsershot v3: Browsershot is a PHP package which can convert a webpage to an image or pdf. The conversion is done behind the scenes by Puppeteer which controls a headless version of … Continue reading

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Chrome DevTools: Better JavaScript logging with the Log Management UI

Great explanation by Umar Hansa on the upcoming Log Management UI in the Chrome DevTools: The new Log Management UI is an experimental feature in Canary DevTools. Once enabled, you can create console.log functions which have their own context. One … Continue reading

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Puppeteer – Headless Chrome Node API

Puppeteer is a Node library which provides a high-level API to control headless Chrome over the DevTools Protocol. It can also be configured to use full (non-headless) Chrome. const puppeteer = require(‘puppeteer’); (async () => { const browser = await … Continue reading

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Chromeless Playground: Chrome Automation Made Simple

With Chrome 59 came the ability to run a Headless Chrome. Controlling it via code isn’t that easy nor elegant. Enter Chromeless (not be confused with Mozilla’s Chromeless): With Chromeless you can control Chrome (open website, click elements, fill out … Continue reading

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Chrome DevTools’ Command Menu

Something I learnt via Umar Hansa‘s great DevTools Tips is that the Chrome DevTools sport a Command Menu. By hitting SHIFT+CMD+P (same shortcut as Sublime Text’s command menu BTW) you can open it. Thanks to fuzzy matching you can easily … Continue reading

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