The other reply is right, to clarify String({}) === "[object Object]"
I think the actual video was a little misleading, [] + {} == the string "[object Object]" not an object. The square brackets are just part of the tostring method and are unrelated to the square brackets of arrays.
Comments
The other reply is right, to clarify String({}) === "[object Object]"
I think the actual video was a little misleading, [] + {} == the string "[object Object]" not an object. The square brackets are just part of the tostring method and are unrelated to the square brackets of arrays.