![]() ![]() How to Run a Node. Open your Downloads folder and locate the Adobe Acrobat installer file, with a name like 'reader xxxinstall.exe'.The background color should change to red. To demonstrate, type ='red' and press Enter. You can also access the existing document.Now type age and press Enter: This time it does return something - the value of age.All that means is that your code didn't return anything. DevTools tips A series of bite-size videos for you to learn features in DevTools. Whats New in DevTools Stay up to date with the latest DevTools changes. Open Chrome DevTools All of the ways that you can open Chrome DevTools. Test it by ype var age = 18 and press Enter: Don't worry about the "undefined" response. Overview Get started with Google Chromes built-in web developer tools.You should now have a clear Console to start practicing JavaScript:.To clear the Console, press the Clear Console icon:.On the Content tab, click the Enable JavaScript check box. ![]() Tip: If you’re running Mac OS, click the Firefox drop-down list > Preferences.
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