Learn to use and read output from the console.log() method in JavaScript. Using the console is handy for reading values during application development, helpful for debugging, finding script errors and more. var mystring = "hello world"; console.log( mystring ); Hotkey shortcuts for opening the console in the most popular browsers are as follows: Google Chrome - Ctrl + Shift + J Firefox - Ctrl + Shift + K IE - F12 Key then click the console button