In general, F12 serves as a shortcut to open developer tools in most web browsers. Additionally, F12 can be used for other purposes in different applications, like opening the "Save As" dialog box in Microsoft Office programs.

When you press F12 in browser, it opens console, which is used by programmers to debug their code and the panel opens will have many tabs. One of which will show the HTML dom tree created by the browser engine while rendering the web pages.

At the beginning of each round, players place one or two bets before the plane takes off on the screen. As the plane flies, a multiplier is shown, which determines the potential winnings. The longer the plane stays in the air, the higher the multiplier value and the greater the possible winnings.