Practice_2

Author: AdarshTiwari04

Loops.js

@@ -0,0 +1,36 @@
+// const fruits = ["Apple", "banana", "Pears", "Watermelon"];
+
+// for (const fruit of fruits) {
+//   console.log(fruit); // Outputs: Apple, banana, Pears, Watermelon
+// }
+
+const numbers = ["1", "2", "3", "4", "5"];
+
+// for (const number of numbers) {
+//   console.log(parseInt(number) + 1); // Outputs: 2, 3, 4, 5, 6
+// }
+
+// for (const number of numbers) {
+//   console.log(number * 2);
+// }
+
+// How to get a new Array with double the value
+
+// let result = [];
+
+// for (const number of numbers) {
+//   result.push(number * 2);
+// }
+
+// console.log(result); // Outputs: [2, 4, 6, 8, 10]
+
+const double = (numbers) => {
+  let result = [];
+
+  for (const number of numbers) {
+    result.push(number * 2);
+  }
+  return result;
+};
+
+console.log(double(numbers)); // Outputs: [2, 4, 6, 8, 10]

Object_function.js

@@ -0,0 +1,58 @@
+const prompt = require("prompt-sync")();
+
+//  A Advance Arrow function using multiple arguments,objects,template literals
+
+// const introduction = (name, shirt, assets, debt) => {
+//   const person = {
+//     name: name,
+//     shirt: shirt,
+//     assets: assets,
+//     debt: debt,
+//   };
+//   const intro = `Hello, My name is ${person.name} and I am wearing a ${
+//     person.shirt
+//   } shirt. My net worth is $${person.assets - person.debt}USD.`;
+//   return intro;
+// };
+
+// const name = prompt("Enter your name: ");
+
+// const shirt = prompt("Enter your favorite shirt color: ");
+
+// const assets = Number(prompt("Enter your current assets: "));
+
+// const debt = Number(prompt("Enter your current debt: "));
+
+// console.log(introduction(name, shirt, assets, debt));
+
+//  A Even more Advance Arrow function using multiple arguments,objects,template literals and Methods
+
+const introduction = (name, shirt, assets, debt) => {
+  const person = {
+    name: name,
+    shirt: shirt,
+    assets: assets,
+    debt: debt,
+    networth: function () {
+      // Here!! It is a function which calculate the net worth
+      // this keyword refers to the particular value of the variable in the block scope
+      return this.assets - this.debt;
+    },
+  };
+  const intro = `Hello, My name is ${person.name} and I am wearing a ${
+    person.shirt
+  } shirt. My net worth is $${person.networth()}USD.`;
+  // Here, person.networth() becomes a method which calculate the net worth
+  // It is also called differently from normal object calls like person.shirt
+  return intro;
+};
+
+const name = prompt("Enter your name: ");
+
+const shirt = prompt("Enter your favorite shirt color: ");
+
+const assets = Number(prompt("Enter your current assets: "));
+
+const debt = Number(prompt("Enter your current debt: "));
+
+console.log(introduction(name, shirt, assets, debt));

yourPlayground.js

@@ -131,4 +131,83 @@ const sumArrow = (a,b) => a+b;
 
 /*
 
+const myArray = ['Apple', 'Banana', 'Orange'];
+
+console.log(myArray[0]); // Apple
+*/
+
+// How to push a Element in the array
+
+/*
+myArray.push('Mango');
+console.log(myArray); // ['Apple', 'Banana', 'Orange', 'Mango']
+*/
+
+// How to use slice in the array
+
+/*
+It starts from 0 up to less than 2 meaning [0,1]
+console.log(myArray.slice(0, 2)); // ['Apple', 'Banana']
+
+It starts from 2 up to end meaning [2,3]
+console.log(myArray.slice(2)); // ['Orange', 'Mango']
+*/
+
+// Array Method
+
+/*
+Examples:
+myArray.pop() // Removes the last element
+myArray.shift() // Removes the first element
+myArray.unshift('Kiwi') // Adds the element at the beginning
+myArray.length() // Returns the length of the array
+my array.indexOf() //  Returns the index of any element
+*/
+
+// Object
+
+/*
+
+Key: Values (pair)
+
+Example:
+const person = {
+  name: "John Doe",
+  age: 30,
+  city: "New York",
+};
+
+Access Object Properties with dot notation
+console.log(person.name); // John Doe
+
+Access Object Properties with bracket notation
+console.log(person["age"]); // 30
+
+Assign Object Properties with dot notation
+person.phone = "7004065287";
+
+Assign Object Properties with bracket notation
+
+person["phone"] = '7004065287';
+
+console.log(person);
+
 */
+
+// Loops
+
+/*
+
+for loop:(With index)
+const fruits = ["Apple", "Banana", "Orange",]
+for (let i = 0; i < fruits.length; i++) {
+  console.log(fruits[i]);
+}
+
+for loop:(Without index)
+Here, fruit is the key or the variable and fruits is the array to print.
+you can change the name of fruit (key) to any like vari
+for (const fruit of friuts) {
+  console.log(fruit);
+}
+  */