How to Open the Console
To open a ready-made developer environment or console, use either of the following keyboard shortcuts.
- Ctrl + Shift + I (Chrome and Firefox)
- F12 (Chrome and Firefox)
- Ctrl + Shift + J (Chrome)
- Cmd + Opt + J for Mac (Chrome)
- Ctrl + Shift + K (Firefox)
- Cmd + Opt + K for Mac (Firefox)
- Preference - Advanced - click the check box at the bottom (Show Developer menu in menu bar) - Cmd + Opt+ C for Mac (Safari)
To insert multiple lines on the console, press Shift + Enter. And click Enter to execute the code.
Besides the tedious entering of the Shift + Enter keyboard shortcut to escape a new line, whenever a variable, function. was declared from a previous program, it gets cached in the browser console. This means anytime the same declared variable is used (even after clearing the console Ctrl + L), an error message is printed out in the console (except the browser is refreshed Ctrl + R).
These issues are prevented by making use of a reliable text editor like Visual Studio Code.
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