JavaScriptNote/basic/index.js at master · mbrsagor/JavaScriptNote · GitHub

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var name = "mbr sagor";

console.log("Hello " + name);

let firstName = 'mbr';

let lastName = "sagor"

console.log("First Name: " + firstName + "\n" + "Last Name: " + lastName);

let currentPrice = 0.5;

currentPrice = 2;

console.log(currentPrice);

// primitive types

let fullName = 'Md.Bozlur Rosid Sagor'; // String

let age = 24; // Number/Integer

let isSave = true // Boolean

let isApprove = false // Boolean

let getName = undefined // UnDefine

let address = null // null

types = typeof fullName

console.log(types)

// Reference types

// object, array, function

// object

let man = {

manName: 'mbr sagor',

manAge: 24

}

console.log(man);

console.log(man.manName);

man.manName = 'Md.Bozlur Rosid Sagor'; // Here change the name value

console.log(man.manName);

// Array

let employee = ['sagor', 'zia', 'saif', 'russel']

console.log(employee);

console.log(employee[0]); // index

employee[4] = 'someone'; // add value in the array

employee[5] = 232; // add value in the array

employee[6] = false; // add value in the array

employee[7] = { house: 23, road: 11 }; // add object in the array

console.log(employee);

console.log(employee.length); // array size

// add array

let newArray = ["Hello there"]

addArray = employee.push(newArray);

console.log(employee);

for (var i = 0; i < employee.length; i++) {

console.log(employee[i]);

}

// function

function getUserName(username) {

console.log("My username is: " + username);

};

getUserName("sagor");

getUserName("admin");

getUserName("hello");

function calculationNumber(firstNumber, lastNumber) {

console.log(firstNumber + lastNumber);

};

calculationNumber(20, 30);

calculationNumber(200, 100);

JavaScriptNote/basic/index.js at master · mbrsagor/JavaScriptNote · GitHub

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