Day 1 of 30-Days-Of-React

.gitignore

@@ -2,7 +2,7 @@ draft.md
 react-for-everyone.md
 component.md
 draft
-
+Exercises/package.json
 
 
 

Exercises/Day_1/main.js

@@ -0,0 +1,73 @@
+// First remove all the punctuations and change the string to array and count the number of words in the array
+// let text =
+//   'I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// console.log(words)
+// console.log(words.length)
+// ["I", "love", "teaching", "and", "empowering", "people", "I", "teach", "HTML", "CSS", "JS", "React", "Python"]
+// 13
+let text =
+	"I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.";
+
+text.replace(/[.,]/g, "");
+
+const words = text.split(" ");
+
+console.log(words);
+
+// In the following shopping cart add, remove, edit items
+// const shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey']
+// add 'Meat' in the beginning of your shopping cart if it has not been already added
+// add Sugar at the end of you shopping cart if it has not been already added
+// remove 'Honey' if you are allergic to honey
+// modify Tea to 'Green Tea'
+
+const shoppingCart = ["Milk", "Coffee", "Tea", "Honey"];
+
+if (shoppingCart[0] != "Meat") shoppingCart.unshift("Meat");
+
+if (shoppingCart[shoppingCart.length - 1] != "Sugar")
+	shoppingCart.push("Sugar");
+
+const HoneyIndex = shoppingCart.indexOf("Honey");
+if (HoneyIndex != -1) shoppingCart.splice(HoneyIndex, 1);
+
+const TeaIndex = shoppingCart.indexOf("Tea");
+if (TeaIndex != -1) shoppingCart[TeaIndex] = "Green Tea";
+
+console.log(shoppingCart);
+
+// The following is an array of 10 students ages: js const ages = [19, 22, 19, 24, 20, 25, 26, 24, 25, 24]  - Sort the array and find the min and max age - Find the median age(one middle item or two middle items divided by two) - Find the average age(all items divided by number of items) - Find the range of the ages(max minus min) - Compare the value of (min - average) and (max - average), use abs() method
+
+const ages = [19, 22, 19, 24, 20, 25, 26, 24, 25, 24];
+
+const sortedAges = ages.sort();
+
+const minAge = ages[0];
+
+const maxAge = ages[ages.length - 1];
+
+const middleIndex = Math.floor(sortedAges.length / 2);
+
+const medianAge =
+	sortedAges.length % 2 === 0
+		? (sortedAges[middleIndex - 1] + sortedAges[middleIndex]) / 2
+		: sortedAges[middleIndex];
+
+const averageAge = ages.reduce((total, age) => total + age) / ages.length;
+
+const rangeOfAges = maxAge - minAge;
+
+const minDiffFromAverage = Math.abs(minAge - averageAge);
+
+const maxDiffFromAverage = Math.abs(maxAge - averageAge);
+
+console.log(
+	sortedAges,
+	minAge,
+	maxAge,
+	medianAge,
+	averageAge,
+	rangeOfAges,
+	minDiffFromAverage,
+	maxDiffFromAverage
+);