Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to create a zippychat online chat room [title] Open your favorite browser. [step] Zippy chat is designed to work with all major browsers. [title] Check to ensure that javascript is enabled.

Ending1: [step] By default, most browsers ship with javascript enabled. Zippy chat requires javascript to operate, so it is essential that it's enabled. Ending2: [step] When you press the tab key, javascript will begin uninstalling pop-ups. [substeps] To remove pop-ups, just press the menu key and select " pop-ups ". Ending3: [step] Some internet browsers only have these functions when you sign in. Check the tab to enable them on your computer. Ending4: [step] The checkbox will say " javascript ". [title] Select your browser from your chats list.

Answer format: ending1/ending2/ending3/ending4