ch-2 js solution

1 files changed, 18 insertions, 0 deletions

diff --git a/challenge-276/kai-burgdorf/javascript/ch-2.js b/challenge-276/kai-burgdorf/javascript/ch-2.js
new file mode 100644
index 0000000000..735773bf1e
--- /dev/null
+++ b/challenge-276/kai-burgdorf/javascript/ch-2.js
@@ -0,0 +1,18 @@
+const ints = [1, 2, 2, 4, 1, 5];
+//const ints = [1, 2, 3, 4, 5];
+
+
+var frequencies = {};
+var highest = 0;
+var total = 0;
+
+ints.forEach((curInt, i) => {
+  frequencies[curInt] = (frequencies[""+curInt] === undefined) ? 1 : frequencies[""+curInt]+1;
+  if(frequencies[""+curInt] > highest) highest=frequencies[""+curInt];
+});
+
+(new Set(ints)).forEach((curInt, i) => {
+  if(frequencies[""+curInt] === highest) total+=frequencies[""+curInt];
+});
+
+console.log("Output: " + total);