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Ian Chow - World Clock #65

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const clockData = this.props.clockData;
return (
<Container>
{clockData.map((val, index) => (

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if we don't use the index, no need to define it here. Most likely your console will give you an error/warning however, in regards to not specifying a key on a collection. You would need to indicate the key property on the Row component here, and giving it the index as value seems alright most of the time

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