Prototypes class1 #8
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| expected = Reptile.SOUND; | ||
| actual = reptile.speak(); | ||
| test.equal( actual, expected, 'should make a reptile sound when it speaks' ); |
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This test is failing but I don't understand why.
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It is failing because you said this.SOUND in your constructor, where this refers to the "instance" of the reptile, whereas Reptile does not refer to the instance but to the constructor. Does that difference make sense?
As a first hint, if you can access it via Reptile.SOUND, how might you set it?
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Gotcha! Its should be expected = reptile.SOUND
joshdmiller
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joshdmiller
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You've got the structure right; check out my response to your question. But you're getting it! 👍
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| expected = Reptile.SOUND; | ||
| actual = reptile.speak(); | ||
| test.equal( actual, expected, 'should make a reptile sound when it speaks' ); |
There was a problem hiding this comment.
It is failing because you said this.SOUND in your constructor, where this refers to the "instance" of the reptile, whereas Reptile does not refer to the instance but to the constructor. Does that difference make sense?
As a first hint, if you can access it via Reptile.SOUND, how might you set it?
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| Reptile.prototype = Object.create(Animal.prototype) | ||
| export class Reptile extends Animal { | ||
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Could you please explain what super does in the next class.
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