Terrarium in chapter 8 not printing correctly

[zanqi]

terrarium.start() only outputs one line: [Object, Object]. No exception is displayed in the output.

Browser is the latest official version of Chrome: 28.0.1500.72 m

[marijnh]

Are you using the website's built-in console, or your browser's console? This still works fine for me.

[zanqi]

I was using the site's built-in console. Run codes by clicking the arrow button of the code snippet.

[marijnh]

Maybe you failed to run the code that defines the toString method on the terrarium? What happens when you shift-click the arrow next to the terrarium.start code?

[zanqi]

shift-click does print it correctly. I didn't know the shift-click shortcut. I must've missed running some code snippet.