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| class Person { | |
| constructor(firstname, lastname) { | |
| this.firstname = firstname; | |
| this.lastname = lastname; | |
| } | |
| greet () { | |
| return 'hi ' + firstname; | |
| } | |
| } |
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Should not the line
return 'hi ' + firstname;be as
return 'hi ' + this.firstname;and same goes when you are extending from the
Personclass in es6-and-classes-js