implement getpositivesum() method

.gitignore

@@ -0,0 +1,3 @@
+.package-lock.json
+.package.json
+/node_modules

index.js

@@ -1,22 +1,40 @@
-class NumberArray {
-  constructor(numbers) {
-    this.numbers = numbers;
-  }
-
-  getPositiveSum() {
-    let sum = 0;
-    for (let number of this.numbers) {
-      if (number > 0) {
-        sum += number;
-      }
-    }
-    return sum;
-  }
+// class NumberArray {
+//   constructor(numbers) {
+//     this.numbers = numbers;
+//   }
+
+//   getPositiveSum() {
+//     let sum = 0;
+//     for (let number of this.numbers) {
+//       if (number > 0) {
+//         sum += number;
+//       }
+//     }
+//     return sum;
+//   }
+// }
+
+// const numbers = [2, -4, 6, -8, 10, -12];
+// const numberArray = new NumberArray(numbers);
+// const positiveSum = numberArray.getPositiveSum();
+
+// // Input: [2, -4, 6, -8, 10, -12]
+// // Output: 18
+
+
+function getPositiveSum(numbers){
+  let sum = 0;
+  return sum =numbers.reduce((total,index)=>{
+    if(index>0){
+    total+=index}
+    return total
+  },0)
+
 }
 
+
+
 const numbers = [2, -4, 6, -8, 10, -12];
-const numberArray = new NumberArray(numbers);
-const positiveSum = numberArray.getPositiveSum();
 
-// Input: [2, -4, 6, -8, 10, -12]
-// Output: 18
+console.log(getPositiveSum(numbers));
+module.exports=getPositiveSum;

index.test.js

@@ -0,0 +1,6 @@
+const { test } = require('node:test')
+let sum=require('.')
+
+test("positive sum numbers",()=>{
+    expect(sum).toBe(18)
+})