![]() Inspect all resources that are loaded, including IndexedDB or Web SQL databases, local and session storage, cookies, Application Cache, images, fonts, and stylesheets. Get Started With Analyzing Runtime Performance.Persist Changes Across Page Reloads with Local Overridesįind ways to improve load and runtime performance.View messages and run JavaScript from the Console.ĭebug JavaScript, persist changes made in DevTools across page reloads, save and run snippets of JavaScript, and save changes that you make in DevTools to disk. Emulate light/dark themes, contrast, and other CSS media features.Find invalid, overridden, inactive, and other CSS.Get Started With Viewing And Changing CSS.Get Started With Viewing And Changing The DOM.Emulate Sensors: Geolocation & Accelerometer.Note: In the DevTools docs, the top-level tabs are called panels. ![]() there are so many tabs! But, if you take some time to get familiar with each tab to understand what's possible, you may discover that DevTools can seriously boost your productivity. The DevTools UI can be a little overwhelming. View Messages and Run JavaScript in the Console.If you're a more experienced web developer, here are the recommended starting points for learning how DevTools can improve your productivity: See Open Chrome DevTools for more details and workflows. When you want to see logged messages or run JavaScript, press Command+Option+J (Mac) or Control+Shift+J (Windows, Linux, ChromeOS) to jump straight into the Console panel.Or press Command+Option+C (Mac) or Control+Shift+C (Windows, Linux, ChromeOS). When you want to work with the DOM or CSS, right-click an element on the page and select Inspect to jump into the Elements panel.There are many ways to open DevTools, because different users want quick access to different parts of the DevTools UI. Check out the video for live demonstrations of core DevTools workflows, including debugging CSS, prototyping CSS, debugging JavaScript, and analyzing load performance.
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