1 files changed, 44 insertions, 0 deletions
diff --git a/challenge-339/roger-bell-west/javascript/ch-2.js b/challenge-339/roger-bell-west/javascript/ch-2.js
new file mode 100755
index 0000000000..cf5a69d9ab
--- /dev/null
+++ b/challenge-339/roger-bell-west/javascript/ch-2.js
@@ -0,0 +1,44 @@
+#! /usr/bin/node
+
+"use strict"
+
+function peakpoint(a) {
+    let h = 0;
+    let o = 0;
+    for (let p of a) {
+        h += p;
+        o = Math.max(o, h);
+    }
+    return o;
+}
+
+if (peakpoint([-5, 1, 5, -9, 2]) == 1) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (peakpoint([10, 10, 10, -25]) == 30) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (peakpoint([3, -4, 2, 5, -6, 1]) == 6) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (peakpoint([-1, -2, -3, -4]) == 0) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (peakpoint([-10, 15, 5]) == 10) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");