script3.js

/** @format */

/** @format */
// // let human = "john";
// // console.log(human);
// let students = ["Jane"];

// if (students.length > 2) {
//   console.log("There are more than 2 students");
// } else  {
//   console.log("There are less students");
// }

// if (students.length < 2) {
//   console.log("There are less than 2 students");
// }

// students.length > 2
//   ? console.log("there are more than 2 students in the class")
//   : console.log("there are less than 2 students in the class");

// if (condition) {

// } else {

// }

// let boy = "alli";
// let twinBoy = boy;
// console.log(twinBoy);

// const numbers = [10, 30, 30, 03, 103, 70, 90];

// var bigNumber = numbers[5]; // equals to 70
// let smallNumber = numbers[2] - 30 + numbers[2] + bigNumber;
// 100;

// if (bigNumber > smallNumber) {
//   bigNumber = bigNumber + smallNumber;
// }

// console.log(bigNumber);

// ? array
// let students = ["joy", "jane", "john", "john", "john", "joy", "john", "john"];
// console.log(students);
// let firstBoys = students.slice(2, 5);
// console.log(firstBoys);

// ? boolean value
// true
// false,

// const FALSE = false;
// const TRUE = true;

// if (false) {
//   console.log("data is false");
// } else {
//   console.log("data is true");
// }

// if (TRUE) {
//   console.log("data is true");
// }

// ? strings
// let string = 124506859055;
// console.log(string.length);
// console.log(string.trimEnd().length);
// console.log(string.includes("world"));
// console.log(string.toUpperCase())
// console.log(string.toLowerCase())

// ? match method
// const string = "The rain in SPAIN, stays mainly in plain";
// const response = string.match(/ain/g);
// console.log(response);
// ? the match method returns an array containing the results of that search

// ? slice method
// const string = "hello world";
// const newString = string.slice(6, 11);
// console.log(newString);

// ? endsWith method
// const string = "hello world, welcome to the universe";
// console.log(string.endsWith("universe"));
// console.log(string.startsWith("hello"));

// ? concat method
// const string = "hello ";
// const string2 = "world";
// const newString = string.concat(string2);
// console.log(newString);

// ? alert method from the window
// alert("hello world")

// ? prompt method from the window
// prompt("hello what's your name")

// if (window.confirm("do you want a greeting message")) {
//   const userName = prompt("what is your name?");
//   if (userName) {
//     alert("hello " + userName + " welcome back");
//   } else {
//     alert("you didn't enter your name");
//   }
// }

// function greetMe() {
//   if (window.confirm("do you want a greeting message")) {
//     const userName = prompt("what is your name?");
//     if (userName) {
//       alert("hello " + userName + " welcome back ");
//     } else {
//       alert("you didnt enter your name");
//     }
//   }
// }

// const student = {
//   name: "khalid",
//   class: "grade 4",
//   year: 2018,
//   state: "bauchi",
// };

// console.log(student.class)

// const students = ["jane", "doe", "joy"];
// console.log(students[2]);
// students[2] = "joseph";
// console.log(students[2]);

// const student2 = [
//   {
//     name: "jane",
//     class: "grade 2",
//     year: 2022,
//     state: "plataeu",
//   },
//   {
//     name: "doe",
//     class: "grade 2",
//     year: 2021,
//     state: "edo",
//   },
//   {
//     name: "jane2",
//     class: "grade 2",
//     year: 2015,
//     state: "rivers",
//   },
// ];

// const onlyGirls = [student2[0], student2[2]];
// console.log(onlyGirls);

const jane = {
  name: "JANE",
  email: "jane@email",
  phone: 0902344,
};

console.log(jane);

jane.email = "newjane@email";
console.log(jane);

// const funitures = ["sofa", "dining table", "couch", "cabinet", "wardrobe"];

// const students = ["jane", "doe", "joy", "chima"];
// console.log(students.length);
// const allBoys = students.slice(1, 2);
// console.log(allBoys);

// funitures[0] = "chair";

// funitures["sofa"] = "chair";
// console.log(funitures);

// objects;

// const funitures = [
//   {
//     name: "sofa",
//   },
//   {
//     name: "table",
//   },
//   {
//     name: "couch",
//   },
//   {
//     name: "cabinet",
//   },
//   {
//     name: "wardrobe",
//   },
// ];

// console.log(funitures);

// funitures[0].name = "chair";
// console.log(funitures);

// if (2 === 4) {
//   console.log("equation is true");
// }

// if (2 === 4) {
//   console.log("equation is true");
// } else {
//   console.log("equation is not true");
// }

// if (2 === 4) {
//   console.log("equation is not  true");
// } else if (2 === 6) {
//   console.log("equation is true");
// }