array traversing in js

Author: crescentpartha

stack-learner/chapter-06/02traverse.js

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+
+// 44. Array Traversing 
+
+var arr = [3, 34, 23, 54, 53, 44, 63, 33]
+
+// arr[0]
+// arr[1]
+// arr[arr.length -1]
+
+var sum = 0, result = 0
+for (var i = 0; i < arr.length; i++) {
+    // console.log(arr[i])
+    arr[i] += 2
+    sum += arr[i]
+    if (arr[i] % 2 == 0) {
+        console.log(arr[i])
+        result += arr[i]
+    }
+}
+console.log(arr) // [ 5, 36, 25, 56, 55, 46, 65, 35 ]
+console.log(sum) // 323
+console.log(result) // 138
+
+