![]() Choose how long cookies are allowed to be stored:.If you are troubleshooting problems with cookies, make sure Accept third party cookies is also not set to Never.Check mark Accept cookies from sites to enable cookies, and uncheck it to disable them.Set Firefox will: to Use custom settings for histor.From the main menu at the top of your screen, click Firefox and then Preferences….Launch Firefox from your desktop or Dock.How do I change Cookie settings in Mozilla Firefox How to Run a Node.Cookies are enabled by default in the latest version of Firefox.How to Send and Receive JSON Data to and from the Server.How to Run a Node.js Application on Windows.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. Test it by ype var age = 18 and press Enter: Don't worry about the "undefined" response.You should now have a clear Console to start practicing JavaScript:.To clear the Console, press the Clear Console icon:.Now type "gobbledygook" in the Console and press Enter: The word "gobbledygook" doesn't mean anything in JavaScript and we have not defined a variable named "gobbledygook", so we get an error. ![]() Make sure that the Console is selected: You may need to drop down the menu to see the Console option: The tools will usually be docked on the right or bottom of your screen.Click on the three-vertical-dot icon in the upper right of Google Chrome.You can use Google Chrome's Console to practice JavaScript. How to Open Google Chrome's JavaScript Console See JavaScript: Tips and Tricks for similar articles. ![]()
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