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solution #2680
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solution #2680
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Good job! 🚀
src/arrayMethodJoin.js
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if ((this[i] !== undefined) && (this[i] !== null)) { | ||
stringResult += this[i]; | ||
} |
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let's create variable for this[i]
stringResult += arrayItem; | ||
} | ||
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if (i !== this.length - 1) { |
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I suggest putting this.length in a variable, since we already use it twice, but I guess it's optional
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