Upload files to "/"

StockBehavior.js

@@ -0,0 +1,27 @@
+//The array stocks stores the behavior of stocks for one year.
+//The numbers in the array represent percentages.
+
+let stocks  = [ 5,  5,5,5]
+
+
+//A peak is when the percentage on the left of a given month M is less and the 
+//percentage on the right of month M is greater. For example, the list given above, contains 
+//three peaks, they  are 6, 8, and 10 (positions 1, 5 and 9 respectively)
+// Complete function getPeaks so that it returns an array containing all the locations
+// of all peaks that a exists in the parameter array named list. 
+// If there are no peaks, this function should return an empty array ([])
+function getPeaks(list){
+    let finishedarray = [];
+    for (let i = 0; i < list.length-1; i++) {
+        // console.log(`i is ${i}, arrindex is ${list[i]}, before, ${list[i-1]}, after ${list[i+1]}`)
+        if (list[i] > list[i - 1] && list[i] > list[i+1] ) {
+            finishedarray.push(i);
+        }
+    }
+    return finishedarray;
+}
+
+// for the array stocks shown above, getPeaks should return [1, 5, 9]
+// WRITE CODE TO TEST YOUR FUNCTION HERE.
+
+console.log(getPeaks(stocks))