Adding solutions

Solutions/Xrose3x_solutions.js

@@ -0,0 +1,62 @@
+
+//Identity
+const indentity = (x) => x;
+
+//Add
+const addb = (a, b) => a + b;
+
+//Sub
+const subb = (a, b) => a - b;
+
+//Mulb
+const mulb = (a, b) => a * b;
+
+//Minb
+const minb = (a, b) => (a < b ? a : b);
+
+//Maxb
+const maxb = (a, b) => (a > b ? a : b);
+
+//Add (nums)
+function add(...args) {
+  let total = 0;
+  for (let num of args) {
+    total += num;
+  }
+  return total;
+}
+
+//Sub (nums)
+function sub(...args) {
+  if (args.length === 0) {
+    throw new Error("At least one argument is required.");
+  }
+
+  return args.reduce((accumulator, currentValue) => accumulator - currentValue);
+}
+
+//Mul (nums)
+function mul(...args) {
+  if (args.length === 0) {
+    throw new Error("At least one argument is required.");
+  }
+
+  return args.reduce((accumulator, currentValue) => accumulator - currentValue);
+}
+
+//Min (nums)
+function min(...args) {
+  if (args.length === 0) {
+    throw new Error("At least one argument is required.");
+  }
+
+  let minValue = args[0];
+  for (let i = 1; i < args.length; i++) {
+    if (args[i] < minValue) {
+      minValue = args[i];
+    }
+  }
+  return minValue;
+}
+
+//Max (nums)