For Loop V1

Author: remidevelops

loops/exercises/for-Loop-Exercises.js

@@ -1,24 +1,107 @@
 /*Exercise #1: Construct for loops that accomplish the following tasks:
     a. Print the numbers 0 - 20, one number per line.
+    for (let i = 0; i <= 20; i++) {
+   console.log(i);
+}
     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 <= 20; i++) {//<= includes the number
+    console.log(i);
+  }
 
+console.log();
+
+for (let i = 3; i <30; i++) {//++ IS ASCENDING
+  if (i % 2=== 1) {//if remainder 2 is odd if remainder is 0 even
+    console.log(i);//print the value that will be looped
+  }
+}
+
+console.log();
+
+for (let i = 12; i >= -14; i -=2) {//-= is descending and icnriment of 2
+  console.log(i);
+}
+
+for (let i = 50; i >=20; i --){//-- is DESCENDDING
+  if (i % 3 === 0) {
+    console.log(i);
+  }
+}
+
+console.log();
 
 
 /*Exercise #2: 
 Initialize two variables to hold the string “LaunchCode” and the array [1, 5, ‘LC101’, ‘blue’, 42].
+*/
+
+let varOne = "LaunchCode";
 
 
-Construct ``for`` loops to accomplish the following tasks:
+let cuteArray = [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. */ 
+  b. Print each character of the string - 
+  in reverse order - 
+  to a new line. */ 
+
+
+  for (let i = 0; i < cuteArray.length ; i++) {//the array length is the limitation condition
+    console.log(cuteArray[i]);//print the array index at i the loop information dictates i
+  }
 
+  console.log();
+  
 
+  
 
+  for (let i = varOne.length-1; i >= 0; i--) {//read as undefined so use -1 because was donig 1 extra
+    console.log(varOne[i]);
+  }
 
+  console.log();
 
 /*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. */
+
+  a. One array contains the even numbers, 
+  and the other holds the odds.
+
+  b. Print the arrays to confirm the results. */
+
+  let arrayNumbers = [2, 3, 13, 18, -5, 38, -10, 11, 0, 104];
+
+  let evenNumberedArray = [];
+
+  let oddNumberedArray = [];
+
+for (let i = 0; i < arrayNumbers.length; i ++) {//PUT LESS THAN NOT <= or = BECAUSE WILL DO ONE EXTRA AND THATS WRONG
+  //console.log("index " + i);
+  //console.log(arrayNumbers[i]);
+  if (arrayNumbers[i] % 2 === 0) {
+    //console.log("EVE IN");
+    evenNumberedArray.push(arrayNumbers[i]);//TO PUT IN EVEN ARRAY THE ORIGINAL ARRAY INDEX OF EVEN NUMBERS
+  } else {
+    oddNumberedArray.push(arrayNumbers[i]);//WHERE TO GO + WHAT TO PUSH
+  }
+}
+console.log(evenNumberedArray);
+console.log("=============================");
+console.log(oddNumberedArray);
+
+
+
+
+
+/*
+)
+  
+
+  //for (let i = 0; i = ""; i++) {
+    //if (numbArray % 2 === 0) {
+      //console.log(numbArray);
+    
+  */