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Recently I installed node.js on my Windows 7 machine.
On execution of JavaScript, I get an undefined message along with successful execution of the expression.
What’s wrong here? I have not noticed any other side effects.
Just write
"hello world";and hit enter… it will return"hello world"instead ofundefined, thus noundefinedis displayed.console.logreturnsundefinedand also logs arguments to console so you get multiple messages.