Create fp6.js

Author: tbsvttr

fp6.js

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+// Functional Programming for Beginners Exercise
+
+const reviews = [4.5, 4.0, 5.0, 2.0, 1.0, 5.0, 3.0, 4.0, 1.0, 5.0, 4.5, 3.0, 2.5, 2.0];
+
+// 1. Using the reduce function, create an object that
+// has properties for each review value, where the value
+// of the property is the number of reviews with that score.
+// for example, the answer should be shaped like this:
+// { 4.5: 1, 4: 2 ...}
+
+const result = reviews.reduce((accumulator, currentValue) =>
+  ({
+    ...accumulator,
+    [currentValue]: (accumulator[currentValue] || 0) + 1,
+  }), {});
+
+console.log(result)
+
+// 
+// TIP: checkout computed properties discussed here:
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer#Computed_property_names
+// solution can be found at:
+// https://jsbin.com/dehiqux/1/edit?js,console