The string ' ' is a "truthy" value.

Is a string truthy or Falsy?

Truthy or Falsy

An empty string ( '' ), the number 0 , null , NaN , a boolean false , and undefined variables are all “falsy”. Everything else is “truthy”. Gotchas to watch out for: the strings "0" and "false" are both considered truthy.

Is string a truthy value?

5 Answers. One caveat is that new String("") is truthy! This is because it is an object, whereas the short form "" represents the primitive value version. The same goes for new Number(0) and even new Boolean(false) .