Travis build: 784 [ci skip]
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@ -7,6 +7,7 @@ Use the spread operator (`...`) to check if the provided argument is iterable in
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```js
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const isArrayLike = val =>
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try {return [...val], true; }
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catch (e) { return false; }
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@ -7,12 +7,15 @@ Omit the second argument, `power`, to use a default power of `2`.
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Omit the third argument, `start`, to use a default starting value of `1`.
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```js
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const sumPower = (end,power = 2,start = 1) =>
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Array(end + 1 - start).fill(0).map((x,i) => (i+start) ** power).reduce((a,b) => a+b,0)
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const sumPower = (end, power = 2, start = 1) =>
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Array(end + 1 - start)
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.fill(0)
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.map((x, i) => (i + start) ** power)
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.reduce((a, b) => a + b, 0);
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```
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```js
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sumPower(10); // 385
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sumPower(10,3); //3025
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sumPower(10,3,5); //2925
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sumPower(10, 3); //3025
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sumPower(10, 3, 5); //2925
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```
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