For real?! Power of REGEX!

Keep practicing, you can do it.

i really have a problem using regex. i hope one day ill master them

I think you didn't understand what the camelCase is? For your reference please check https://techterms.com/definition/camelcase

this code is use for diveding camel words, not letter useing camel . ex: IloveCoding to Ilove Coding.
but here your code won't work for below ex:
he is MBBS to he is M B B S

The explanation doesn't mention that the object properties have to be mutable.
I used object.create and had the last test fail because I didn't set the attributes to be writable.

It should explicitly mention that your object should support 'foo.name = "bar";'

This will be incorrect if the animal decides to change its name later. Or does a species change operation.