Invert signs of an array of numbers in JavaScript
To invert signs of numbers in an array, we can use Array.prototype.map() and invert the signs.
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const arr = [1,2,-3,4,-5,6,-7,8]; console.log(arr.map(a=> -(a))); // [-1, -2, 3, -4, 5, -6, 7, -8]
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