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

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kind of javascript data type:

1) String

2) Number

3) Boolean

4) Undefine

5) Null

6) object

var name = "Md.Bozlur Rosid Sagor";

console.log(name);

let address = "Dhormopur sundorgonj, Gaibandha";

console.log(address);

let_var = () => {

name = "mbr-sagor";

address = "Dhaka Bangladesh";

console.log(`My nickname is ${name}\nI live in ${address}`);

}

// let_var();

var num = 20;

let num2 = 30;

console.log(num);

console.log(num + num2);

sumNum = (n1, n2) => {

console.log(`Total sum is: ${n1 + n2}`);

}

// sumNum(30, 70);

let is_active = true;

if (is_active === true) {

console.log("I'm active user.");

} else if (is_active === false || is_active === true) {

console.log("I'm not regular and active user.");

} else {

console.log("I'm not active user yet.");

}

let username;

console.log(username);

username = "mbrsagor";

console.log(username);

myusername = () => {

username = 'mbr-sagor-bd';

console.log(username);

}

myusername();

email = null;

console.log(email);

email = "mbrsagor@gmail.com";

console.log(email);

var data = {

"username": "sagor",

"password": "p-123"

};

console.log(data);

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

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