Merge pull request #1 from Asabeneh/master

New exercises

Author: Si-maher

03-concationation.js

@@ -5,7 +5,7 @@ let fullName = firstName + " " + lastName; // concatination, merging to string t
 console.log(fullName);
 
 
-var personInfoOne = fullName + ".I am " + age + ". I live in " + country; // ES5
-var personInfoTwo = `I am ${fullName}.I am ${age}. I live in ${country}`; //ES6 - String interpolation method
+let personInfoOne = fullName + ".I am " + age + ". I live in " + country; // ES5
+let personInfoTwo = `I am ${fullName}.I am ${age}. I live in ${country}`; //ES6 - String interpolation method
 console.log(personInfoOne);
 console.log(personInfoTwo);

04-string_interpolation.js

@@ -11,6 +11,18 @@ console.log(personInfo);
 let numberOne = 10;
 let numberTwo = 90;
 console.log(`The sum of ${numberOne} and ${numberTwo} is ${numberOne + numberTwo}.`);
+//More Examples
+var gravity = 9.81;
+var boilingPoint = 100;
+var bodyTemp = 37;
+
+/*
+ The boiling point of water is 100 oC.
+ Human body temperatue is 37 oC.
+ The gravity of earth is 9.81 m/s2.
+ */
+console.log(`The boiling point of water is ${boilingPoint} oC.\nHuman body temperatue is ${body} oC.\nThe gravity of earth is ${gravity} m / s2.`
+);
 
 
 

14-switch.js

@@ -14,3 +14,34 @@ switch (weather) {
     console.log("It is not raining. No need for rain coat.");
     break;
 }
+
+// Swithc More Examples
+var dayUserInput = prompt('What day is it ?');
+var day = dayUserInput.toLowerCase();
+switch (day) {
+  case 'monday':
+    console.log('Today is Monday');
+    break;
+  case 'tuesday':
+    console.log('Today is Tuesday');
+    break;
+  case 'wednesday':
+    console.log('Today is Wednesday');
+    break;
+  case 'thursday':
+    console.log('Today is Thursday');
+    break;
+  case 'friday':
+    console.log('Today is Friday');
+    break;
+  case 'saturday':
+    console.log('Today is Saturday');
+    break;
+  case 'sunday':
+    console.log('Today is Sunday');
+    break;
+
+  default:
+    console.log('It is not a week day.');
+    break;
+}

16-array.js renamed to 16-1.0-array.js

@@ -0,0 +1,10 @@
+var items = ['Item 1', 'Item 2', 'Item 3', 'mango'];
+console.log(items.length);
+const compyItems = items.slice() // to copy all items of the original item
+const someItems = items.slice(0, items.length);
+console.log(someItems);
+console.log(items[items.length - 1]);
+console.log(items.splice(0, 1)); //remove one item
+console.log(items);
+console.log(items.splice(0)); // remove all items
+console.log(items)

16-1.1-array-slice-splice.js

@@ -1,3 +1,17 @@
-for (var i = 1; i <= 10; i++) {
+// For loop
+for (let i = 1; i <= 10; i++) {
   console.log(`${i}x${i}=${i * i}`);
 }
+// For loop more example iterated from 100 to 0 stepping by 10
+for (let i = 100; i >= 0; i -= 10) {
+  console.log(i);
+}
+
+//
+for (let i = 0; i <= 100; i++) {
+  if (i % 2 === 0) {
+    console.log(`${i} is an even number`);
+  } else {
+    console.log(`${i} is an odd number`);
+  }
+}

17-forloop.js

@@ -40,6 +40,26 @@ function sumArrayValues(arr) {
 const numbers = [1, 2, 3, 4, 5];
 console.log(sumArrayValues(numbers));
 
+//
+function sumOfEvensAndOdds() {
+  var sumOfEvens = 0;
+  var sumOfOdds = 0;
+  for (var i = 0; i <= 100; i++) {
+    if (i % 2 === 0) {
+      sumOfEvens = sumOfEvens + i;
+      console.log('I am proudly even', i);
+    } else {
+      sumOfOdds = sumOfOdds + i;
+      console.log('I am a proud odd number', i);
+    }
+  }
+  return { evens: sumOfEvens, odds: sumOfOdds };
+  //return [sumOfEvens, sumOfOdds];
+  //return `The sum of all evens is ${sumOfEvens}. And the sum of all odds is ${sumOfOdds}`;
+}
+
+console.log(sumOfEvensAndOdds());
+