loop exercises in progress

timwebdev1 · timwebdev1 · commit 658dae3a1cef · 2024-06-24T21:58:49.000-05:00
diff --git a/loops/exercises/for-Loop-Exercises.js b/loops/exercises/for-Loop-Exercises.js
@@ -3,22 +3,59 @@
     b. Print only the ODD values from 3 - 29, one number per line.
     c. Print the EVEN numbers 12 to -14 in descending order, one number per line.
     d. Challenge - Print the numbers 50 - 20 in descending order, but only if the numbers are multiples of 3. (Your code should work even if you replace 50 or 20 with other numbers). */
+for (let i = 0; i < 21; i++) {
+  console.log(i);
+}
 
+for (let i = 3; i < 31; i = i + 2) {
+  console.log(i);
+}
 
+for (let i = 12; i >= -14; i = i - 2) {
+  console.log(i);
+}
 
-
+for (let i = 50; i >= 20; i--) {
+  console.log(i);
+}
 /*Exercise #2: 
 Initialize two variables to hold the string “LaunchCode” and the array [1, 5, ‘LC101’, ‘blue’, 42].
 
 
 Construct ``for`` loops to accomplish the following tasks:
   a. Print each element of the array to a new line.
   b. Print each character of the string - in reverse order - to a new line. */ 
+let str = 'LaunchCode';
+let arr = [1, 5, 'LC101', 'blue', 42];
+let reversed = "";
 
+for (let i = 0; i < arr.length; i++) {
+  console.log(arr[i]);
+}
+// 2.2 is not completed. error of i is not defined
+// for (let i = 0; i < str.length; i++); {
+//   reversed = str[i] + reversed;
+  
+// }
+// console.log(reversed);
 
 
 
 
 /*Exercise #3:Construct a for loop that sorts the array [2, 3, 13, 18, -5, 38, -10, 11, 0, 104] into two new arrays:
   a. One array contains the even numbers, and the other holds the odds.
-  b. Print the arrays to confirm the results. */
+  b. Print the arrays to confirm the results. */
+  let arr1 = [2, 3, 13, 18, -5, 38, -10, 11, 0, 104];
+  let evens = [];
+  let odds = [];
+
+  for (let i=0; i < arr1.length; i++) {
+    if (arr1[i] % 2 == 0) {
+      evens.push(arr1[i]);
+    } else {
+      odds.push(arr1[i]);
+    }
+  }
+
+  console.log(evens);
+  console.log(odds);
