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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title> Objects & Details | JavaScript | Al- Arafat </title>
</head>
<body>
<H1> Assalamualaikum Or-Rohmatullah </H1>
<H2> Al - Arafat </H2>
</body>
<script src="Objects.js"></script>
<script src="test-11.js"></script>
<script>
// Type-1:
// Objects:
// singleton ==>Constructer
/*Syntax:
Object.create
*/
// Object Literals:
/*
Syntax:
let jsUser = {}
*/
const jsUser = {
/* By Default :
0:"Arafat"
"name":"Arafat" */
name:"Arafat",
"full name":"Al-Arafat Yeash",
age:26,
location:"Demra",
email:"arafatgoogle.com",
isLoggedIn:false,
lastLoginDays:["Monday","Saturday"],
// mySymbol:"myKey1" //Given as a String input ,not symbol.
[mySymbol]:"myKey1"
}
const mySymbol = Symbol("key1")
console.log([mySymbol]); // For Access to Symbol
/*
Firstly,Define Object...
Secondly,Define Symbol
let jsUserObj = {
==> mySymbol:"myKey1" //Given as a String input ,not symbol.
[mySymbol]:"myKey1"
const mySymbol = Symbol("key1")
console.log([mySymbol]);
}
That's it to all the process...
Source for "Symbol":
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Data_structures
*/
console.log(jsUser.email);
// console.log(jsUser[eamil]); //Syntax Error.
console.log(jsUser["eamil"]);
// console.log(jsUser.full name); //Got Error...
console.log(jsUser["full name"]);
console.log(jsUser["full name"]);
// Change inside the object values/properties.
jsUser.email = "arfangooglejsUser.com"
// Object.freeze(jsUser)
jsUser.email = "arfathfjffhufg.com"
console.log(jsUser);
//Object Inside of Function:
jsUser.greeting = function(){
console.log("Hello Js User.");
}
// console.log(jsUser.greeting); //BecauseOf -->Undefined / [Function( anonymous)]
// console.log(jsUser.greeting()); // Not a Functions
jsUser.greetingTwo = function(){
console.log(`Hello Js User, ${this.name}`);
}
console.log(jsUser.greeting());
console.log(jsUser.greetingTwo());
/*
Some Unnecessary things:
// myArray = ["H","i"]
// myArray[0]
// () $
*/
const tinderUser = new Object() //Empty Objects ==> This is a "Singleton~Objects."
/*
Or,
const tinderUser = {} //Empty Objects ==> This is a "Non-Singleton~Objects."
Same Things ,no changes
*/
// console.log(tinderUser);
const tinderUser1 = {} // ==>This is a " Non-Singleton~Objects."
tinderUser1.id = " 45374dfjghd"
tinderUser1.name = "Arafat"
tinderUser1.isLoggedIn = false
// console.log(tinderUser1);
console.log(Object.keys(tinderUser1)); //This given Output as an "[] ==>Array."
console.log(Object.values(tinderUser1));
console.log(Object.entries(tinderUser1)); //This given Output as an "[] ==>Array in array,each an every single data define as an array,,,like: [[],[],[],[]...]"
console.log(tinderUser1.hasOwnProperty('isLoggedIn'));
console.log(tinderUser1.hasOwnProperty('isLogged'));
/*
Now,
Objects in Objects: Below...
*/
const regularUser = {
email:"arafatabc59.com",
fullname:{ // objects inside an objects...
userfullname:{
firstname: " Arafat ",
lastname: " Yeash"
}
}
}
/*
console.log(regularUser);
console.log(regularUser.fullname);
console.log(regularUser.fullname.userfullname);
console.log(regularUser.fullname.userfullname.firstname);
console.log(regularUser.fullname.userfullname.lastname);
*/
const obj1 = {1:"a",2:"b"}
const obj2 = {3:"f",4:"k"}
// const obj3 = {obj1,obj2}
// const obj3 = Object.assign(obj1,obj2)
// const obj3 = Object.assign({},obj1,obj2) // ==>"{}" It is better to use in assign().
const obj3 = {...obj1,...obj2} //This is use to best...
// console.log(obj3);
/*
Object Documentation Source:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
*/
const users = [ // [] ==> This an Array.
{ // {} ==> This an Objects.
id:1,
email:"sb1fdsbdf.com"
},
{
id:2,
email:"sb2fdsbdf.com"
},
{
id:3,
email:"sb3fdsbdf.com"
},
]
console.log(users);
console.log(users[1].email);
// users[1].email
/*
Browser --> Inspect --> Console :
const obj1 = {1:"a",2:"b"}
==> undefined
==> obj1
{1: 'a', 2: 'b'}
1: "a"
2: "b"
[[Prototype]]:
Objectconstructor: ƒ Object()
hasOwnProperty: ƒ hasOwnProperty()
isPrototypeOf: ƒ isPrototypeOf()
propertyIsEnumerable: ƒ propertyIsEnumerable()
toLocaleString: ƒ toLocaleString()
toString: ƒ toString()
valueOf: ƒ valueOf()
__defineGetter__: ƒ __defineGetter__()
__defineSetter__: ƒ __defineSetter__()
__lookupGetter__: ƒ __lookupGetter__()
__lookupSetter__: ƒ __lookupSetter__()
__proto__:
(...)get __proto__: ƒ __proto__()
set __proto__: ƒ __proto__()
*/
/*
Advanced Object(JSON): Object de-structure and JSON API Intro :
*/
/*
de-structure /De-Structuring occurs 2 Things : i. Array ; ii. Objects
*/
/*
// Object De-Structure : Same Basic Of React.js ...
const course = {
coursename:"Js in Bangla",
price:"999Tk",
courseTeacher:"Arafat",
courseInstructor:"Yeash"
}
// course.courseTeacher ==> Please don't use,becauseof repeating " course.courseTeacher " writing again and again.
const {courseTeacher} = course ==> please use this,
// console.log(courseTeacher);
Or,
const {courseTeacher:instructor} = course ==>use this.
// console.log(instructor);
*/
/*
// Some React.js Basic:
const navbar = (props.company) => {
}
Or,
const navbar = ({company}) => {
}
navbar(company = "Arafat")
*/
/*
Now,
Some Basic Of " API or JSON " :
*/
/*
// This is an Syntaxical Error,becauseof "Inverted Comas("")" :
{
name:"arafat",
coursename:"Js Bangla",
price:"free"
}
// This is an Syntaxically Right,becauseof "Inverted Comas("")" :
{
"name":"arafat",
"coursename":"Js Bangla",
"price":"free"
}
*/
/*
For API Resource : https://randomuser.me/
For API Formate : https://jsonformatter.org/
*/
/*
// Some API Formate : Get Arrays in Objects,like this : -
[ // Arrays
{}, //objects
{}, //objects
{} //objects
]
*/
/*
// A Example/Model of API/JSON Formate :
{
"results": [
{
"gender": "female",
"name": {
"title": "Miss",
"first": "Jennie",
"last": "Nichols"
},
"location": {
"street": {
"number": 8929,
"name": "Valwood Pkwy",
},
"city": "Billings",
"state": "Michigan",
"country": "United States",
"postcode": "63104",
"coordinates": {
"latitude": "-69.8246",
"longitude": "134.8719"
},
"timezone": {
"offset": "+9:30",
"description": "Adelaide, Darwin"
}
},
"email": "jennie.nichols@example.com",
"login": {
"uuid": "7a0eed16-9430-4d68-901f-c0d4c1c3bf00",
"username": "yellowpeacock117",
"password": "addison",
"salt": "sld1yGtd",
"md5": "ab54ac4c0be9480ae8fa5e9e2a5196a3",
"sha1": "edcf2ce613cbdea349133c52dc2f3b83168dc51b",
"sha256": "48df5229235ada28389b91e60a935e4f9b73eb4bdb855ef9258a1751f10bdc5d"
},
"dob": {
"date": "1992-03-08T15:13:16.688Z",
"age": 30
},
"registered": {
"date": "2007-07-09T05:51:59.390Z",
"age": 14
},
"phone": "(272) 790-0888",
"cell": "(489) 330-2385",
"id": {
"name": "SSN",
"value": "405-88-3636"
},
"picture": {
"large": "https://randomuser.me/api/portraits/men/75.jpg",
"medium": "https://randomuser.me/api/portraits/med/men/75.jpg",
"thumbnail": "https://randomuser.me/api/portraits/thumb/men/75.jpg"
},
"nat": "US"
}
],
"info": {
"seed": "56d27f4a53bd5441",
"results": 1,
"page": 1,
"version": "1.4"
}
}
*/
/*
++++++++++++++++++++++++ X ++++++++++++++++++++++++++
*/
</script>
<script>
// Type-2:
// Objects:
// singleton ==>Constructer
// multi-instance ==>Object Literal
/*
Syntax:
Constructer Method's:
Object.create
*/
// Object Literals:
/*
Syntax:
let jsUser = {}
*/
/*
Object and Array's similarities and differences:
/*
/* Array:
myArray = ['Arafat','Yeash',26,true,['Monday','Saturday'],Symbol('key1'),function(){console.log("Hello Arafat");},{},"Fahima",faysal,fahim,null,undefined,NaN,Infinity,-Infinity,0,-0,"",` `,`Js in Bangla`,` ${2+2} `,` ${()=>'Arafat'} `,` ${function(){return 'Arafat'}} `,` ${[1,2,3,4]} `,` ${{name:'Arafat'}} `]
log(typeof myArray); // object
console.log(myArray[1],[0]); // For Access to Symbol
*/
/* Object:
myObject = {name:'Arafat',age:26,location:'Demra',isLoggedIn:false,lastLoginDays:['Monday','Saturday'],mySymbol:Symbol('key1'),greeting:function(){console.log("Hello Arafat");}}
*/
const jsUser = {
/* By Default :
0:"Arafat"
"name":"Arafat" */
name:"Arafat",
"full name":"Al-Arafat Yeash",
age:26,
location:"Demra",
email:"arafatgoogle.com",
isLoggedIn:false,
lastLoginDays:["Monday","Saturday"],
// mySymbol:"myKey1" //Given as a String input ,not symbol.
[mySymbol]:"myKey1"
}
const mySymbol = Symbol("key1")
console.log([mySymbol]); // For Access to Symbol
/*
Firstly,Define Object...
Secondly,Define Symbol
let jsUserObj = {
==> mySymbol:"myKey1" //Given as a String input ,not symbol.
[mySymbol]:"myKey1"
const mySymbol = Symbol("key1")
console.log([mySymbol]);
}
That's it to all the process...
Source for "Symbol":
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Data_structures
*/
console.log(jsUser.email);
// console.log(jsUser[eamil]); //Syntax Error.
console.log(jsUser["eamil"]);
// console.log(jsUser.full name); //Got Error...
console.log(jsUser["full name"]);
console.log(jsUser["full name"]);
// Change inside the object values/properties.
jsUser.email = "arfangooglejsUser.com"
// Object.freeze(jsUser)
jsUser.email = "arfathfjffhufg.com"
console.log(jsUser);
//Object Inside of Function:
jsUser.greeting = function(){
console.log("Hello Js User.");
}
// console.log(jsUser.greeting); //BecauseOf -->Undefined / [Function( anonymous)]
// console.log(jsUser.greeting()); // Not a Functions
jsUser.greetingTwo = function(){
console.log(`Hello Js User, ${this.name}`);
}
console.log(jsUser.greeting());
console.log(jsUser.greetingTwo());
/*
Some Unnecessary things:
// myArray = ["H","i"]
// myArray[0]
// () $
*/
const tinderUser = new Object() //Empty Objects ==> This is a "Singleton~Objects."
/*
Or,
const tinderUser = {} //Empty Objects ==> This is a "Non-Singleton~Objects."
Same Things ,no changes
*/
// console.log(tinderUser);
const tinderUser1 = {} // ==>This is a " Non-Singleton~Objects."
tinderUser1.id = " 45374dfjghd"
tinderUser1.name = "Arafat"
tinderUser1.isLoggedIn = false
// console.log(tinderUser1);
console.log(Object.keys(tinderUser1)); //This given Output as an "[] ==>Array."
console.log(Object.values(tinderUser1));
console.log(Object.entries(tinderUser1)); //This given Output as an "[] ==>Array in array,each an every single data define as an array,,,like: [[],[],[],[]...]"
console.log(tinderUser1.hasOwnProperty('isLoggedIn'));
console.log(tinderUser1.hasOwnProperty('isLogged'));
/*
Now,
Objects in Objects: Below...
*/
const regularUser = {
email:"arafatabc59.com",
fullname:{ // objects inside an objects...
userfullname:{
firstname: " Arafat ",
lastname: " Yeash"
}
}
}
/*
console.log(regularUser);
console.log(regularUser.fullname);
console.log(regularUser.fullname.userfullname);
console.log(regularUser.fullname.userfullname.firstname);
console.log(regularUser.fullname.userfullname.lastname);
*/
const obj1 = {1:"a",2:"b"}
const obj2 = {3:"f",4:"k"}
// const obj3 = {obj1,obj2}
// const obj3 = Object.assign(obj1,obj2)
// const obj3 = Object.assign({},obj1,obj2) // ==>"{}" It is better to use in assign().
const obj3 = {...obj1,...obj2} //This is use to best...
// console.log(obj3);
/*
Object Documentation Source:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
*/
const users = [ // [] ==> This an Array.
{ // {} ==> This an Objects.
id:1,
email:"sb1fdsbdf.com"
},
{
id:2,
email:"sb2fdsbdf.com"
},
{
id:3,
email:"sb3fdsbdf.com"
},
]
console.log(users);
console.log(users[1].email);
// users[1].email
/*
Browser --> Inspect --> Console :
const obj1 = {1:"a",2:"b"}
==> undefined
==> obj1
{1: 'a', 2: 'b'}
1: "a"
2: "b"
[[Prototype]]:
Objectconstructor: ƒ Object()
hasOwnProperty: ƒ hasOwnProperty()
isPrototypeOf: ƒ isPrototypeOf()
propertyIsEnumerable: ƒ propertyIsEnumerable()
toLocaleString: ƒ toLocaleString()
toString: ƒ toString()
valueOf: ƒ valueOf()
__defineGetter__: ƒ __defineGetter__()
__defineSetter__: ƒ __defineSetter__()
__lookupGetter__: ƒ __lookupGetter__()
__lookupSetter__: ƒ __lookupSetter__()
__proto__:
(...)get __proto__: ƒ __proto__()
set __proto__: ƒ __proto__()
*/
/*
Advanced Object(JSON): Object de-structure and JSON API Intro :
*/
/*
de-structure /De-Structuring occurs 2 Things : i. Array ; ii. Objects
*/
/*
// Object De-Structure : Same Basic Of React.js ...
const course = {
coursename:"Js in Bangla",
price:"999Tk",
courseTeacher:"Arafat",
courseInstructor:"Yeash"
}
// course.courseTeacher ==> Please don't use,becauseof repeating " course.courseTeacher " writing again and again.
const {courseTeacher} = course ==> please use this,
// console.log(courseTeacher);
Or,
const {courseTeacher:instructor} = course ==>use this.
// console.log(instructor);
*/
/*
// Some React.js Basic:
const navbar = (props.company) => {
}
Or,
const navbar = ({company}) => {
}
navbar(company = "Arafat")
*/
/*
Now,
Some Basic Of " API or JSON " :
*/
/*
// This is an Syntaxical Error,becauseof "Inverted Comas("")" :
{
name:"arafat",
coursename:"Js Bangla",
price:"free"
}
// This is an Syntaxically Right,becauseof "Inverted Comas("")" :
{
"name":"arafat",
"coursename":"Js Bangla",
"price":"free"
}
*/
/*
For API Resource : https://randomuser.me/
For API Formate : https://jsonformatter.org/
*/
/*
// Some API Formate : Get Arrays in Objects,like this : -
[ // Arrays
{}, //objects
{}, //objects
{} //objects
]
*/
/*
// A Example/Model of API/JSON Formate :
{
"results": [
{
"gender": "female",
"name": {
"title": "Miss",
"first": "Jennie",
"last": "Nichols"
},
"location": {
"street": {
"number": 8929,
"name": "Valwood Pkwy",
},
"city": "Billings",
"state": "Michigan",
"country": "United States",
"postcode": "63104",
"coordinates": {
"latitude": "-69.8246",
"longitude": "134.8719"
},
"timezone": {
"offset": "+9:30",
"description": "Adelaide, Darwin"
}
},
"email": "jennie.nichols@example.com",
"login": {
"uuid": "7a0eed16-9430-4d68-901f-c0d4c1c3bf00",
"username": "yellowpeacock117",
"password": "addison",
"salt": "sld1yGtd",
"md5": "ab54ac4c0be9480ae8fa5e9e2a5196a3",
"sha1": "edcf2ce613cbdea349133c52dc2f3b83168dc51b",
"sha256": "48df5229235ada28389b91e60a935e4f9b73eb4bdb855ef9258a1751f10bdc5d"
},
"dob": {
"date": "1992-03-08T15:13:16.688Z",
"age": 30
},
"registered": {
"date": "2007-07-09T05:51:59.390Z",
"age": 14
},
"phone": "(272) 790-0888",
"cell": "(489) 330-2385",
"id": {
"name": "SSN",
"value": "405-88-3636"
},
"picture": {
"large": "https://randomuser.me/api/portraits/men/75.jpg",
"medium": "https://randomuser.me/api/portraits/med/men/75.jpg",
"thumbnail": "https://randomuser.me/api/portraits/thumb/men/75.jpg"
},
"nat": "US"
}
],
"info": {
"seed": "56d27f4a53bd5441",
"results": 1,
"page": 1,
"version": "1.4"
}
}
*/
/*
++++++++++++++++++++++++ X ++++++++++++++++++++++++++
*/
// Objects:
// singleton ==>Constructer
// multi-instance ==>Object Literal
/*
Syntax:
Constructer Method's:
Object.create
*/
// Object Literals:
/*
Syntax:
let jsUser = {}
*/
/*
Object and Array's similarities and differences:
/*
/* Array:
myArray = ['Arafat','Yeash',26,true,['Monday','Saturday'],Symbol('key1'),function(){console.log("Hello Arafat");},{},"Fahima",faysal,fahim,null,undefined,NaN,Infinity,-Infinity,0,-0,"",` `,`Js in Bangla`,` ${2+2} `,` ${()=>'Arafat'} `,` ${function(){return 'Arafat'}} `,` ${[1,2,3,4]} `,` ${{name:'Arafat'}} `]
log(typeof myArray); // object
console.log(myArray[1],[0]); // For Access to Symbol
*/
/* Object:
myObject = {name:'Arafat',age:26,location:'Demra',isLoggedIn:false,lastLoginDays:['Monday','Saturday'],mySymbol:Symbol('key1'),greeting:function(){console.log("Hello Arafat");}}
*/
// --------------------------------------------------------------------------------
const jsUser = {
name:"Arafat",
"full name":"Al-Arafat Yeash",
age:26,
location:"Demra",
email:"arafatgoogle.com",
isLoggedIn:false,
lastLoginDays:["Monday","Saturday"],
// mySymbol:"myKey1" //Given as a String input ,not symbol.
[mySymbol1]:"myKey1"
}
console.log(jsUser.email); // ascessing method 1
// console.log(jsUser[eamil]); //Syntax Error.
console.log(jsUser["eamil"]); // ascessing method 2
// console.log(jsUser.full name); //Got Error...
console.log(jsUser["full name"]);
const mySymbol1 = Symbol("key1")
console.log([mySymbol1]); // For Access to Symbol
const mySymbol2 = Symbol("key2")
jsUser[mySymbol2] = "myKey2"
console.log(jsUser[mySymbol2]); // For Access to Symbol 2
const mySymbol3 = Symbol("key3")
const mySymbolic = {
mySym :'myKey3.3',
[mySymbol3]:"myKey3"
}
console.log(mySymbolic[mySymbol3]); // For Access to Symbol 3);
console.log(typeof mySymbolic[mySymbol3]);
console.log( mySymbolic[mySym]);
console.log(typeof mySymbolic[mySym]);
/* Changes inside the object values/properties :
*/
const myEmail = {
email:"arafatgooglejsUser.com"
}
myEmail.email = "arfangooglejsUser.com"
console.log(myEmail);
console.log(myEmail.email);
// Lock or Freeze the Object :
const myPassword = {
homePassword:"123456789"
}
Object.freeze(myPassword)
myPassword.homePassword = "03414454144"
console.log(myPassword);
console.log(myPassword.homePassword); // It will not change,becauseof " Object.freeze() "
//Object Inside of Function:
myGreeting = function(){
console.log("Hello Js User.");
}
// Object.freeze(myGreeting)
console.log(myGreeting);
console.log(myGreeting()); // Function Calling...
myEmail.greeting = function(){
console.log("Hello Js User.");
}
console.log(myEmail.greeting); //BecauseOf -->Undefined / [Function( anonymous)]
// console.log(myEmail.greeting()); // Not a Functions, beacause of "freeze()"
myEmail.greeting();
myEmail.greetingTwo = function(){
console.log(`Hello Js User, ${this.email}`);
}
console.log(myEmail.greetingTwo());
console.log(myEmail.greetingTwo());
// --------------------------------------------------------------------------------
const tinderUser = new Object() //Empty Objects ==> This is a "Singleton~Objects."
/*
Or,
const tinderUser = {} //Empty Objects ==> This is a "Non-Singleton~Objects."
Same Things ,no changes
*/
// console.log(tinderUser);
const tinderUser1 = {} // ==>This is a " Non-Singleton~Objects."
tinderUser1.id = " 45374dfjghd"
tinderUser1.name = "Arafat"
tinderUser1.isLoggedIn = false
// console.log(tinderUser1);
console.log(Object.keys(tinderUser1)); //This given Output as an "[] ==>Array."
console.log(Object.values(tinderUser1));
console.log(Object.entries(tinderUser1)); //This given Output as an "[] ==>Array in array,each an every single data define as an array,,,like: [[],[],[],[]...]"
console.log(tinderUser1.hasOwnProperty('isLoggedIn'));
console.log(tinderUser1.hasOwnProperty('isLogged'));
/*
Now,
Objects in Objects: Below...
*/
const regularUser = {
email:"arafatabc59.com",
fullname:{ // objects inside an objects...
userfullname:{
firstname: " Arafat ",
lastname: " Yeash"
}
}
}
/*
console.log(regularUser);
console.log(regularUser.fullname);
console.log(regularUser.fullname.userfullname);
console.log(regularUser.fullname.userfullname.firstname);
console.log(regularUser.fullname.userfullname.lastname);
console.log(regularUser.fullname?.userfullname.lastname); // Optional Chaining Operator (?.) ;This is used to prevent errors when accessing nested properties of an object that may not exist. For " API data handling ".
*/
const obj1 = {1:"a",2:"b"}
const obj2 = {3:"f",4:"k"}
const obj4 = {5:"l",6:"i"}
// const obj3 = {obj1,obj2}
// const obj3 = Object.assign(obj1,obj2)
// const obj3 = Object.assign({},obj1,obj2,obj4) // ==>"{}" It is better to use in assign().
//spread operator :
const obj3 = {...obj1,...obj2} //This is use to best... // spreadout
// console.log(obj3);
/*
Object Documentation Source:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
*/
const users = [ // [] ==> This an Array.
{ // {} ==> This an Objects.
id:1,
email:"sb1fdsbdf.com"
},
{
id:2,
email:"sb2fdsbdf.com"
},
{
id:3,
email:"sb3fdsbdf.com"
},
]
console.log(users);
console.log(users[1].email);
// users[1].email
/*
Some Object's Function :
Browser --> Inspect --> Console :
const obj1 = {1:"a",2:"b"}
==> undefined
==> obj1
{1: 'a', 2: 'b'}
1: "a"
2: "b"
[[Prototype]]: Object
1)constructor: Object()
2)hasOwnProperty: hasOwnProperty()
3)isPrototypeOf: isPrototypeOf()
4)propertyIsEnumerable: propertyIsEnumerable()
5)toLocaleString: toLocaleString()
6)toString: toString()
7)valueOf: valueOf()
i)__defineGetter__: __defineGetter__()
ii)__defineSetter__: __defineSetter__()
iii)__lookupGetter__: __lookupGetter__()
iv)__lookupSetter__: __lookupSetter__()
__proto__: (...)
a)get __proto__: __proto__()
b)set __proto__: __proto__()
*/
/*
// Object De-Structure : Same Basic Of React.js ...
const course = {
coursename:"Js in Bangla",
price:"999Tk",
courseTeacher:"Arafat",
courseInstructor:"Yeash"
}
course.courseTeacher
// "course.courseTeacher" ==> Please don't use this Term or Methods,becauseof repeating " course.courseTeacher " writing again and again.
// Insead of this :below...
const {courseTeacher} = course ==> please use this,
// console.log(courseTeacher);
Or,
const {courseTeacher:teacher} = course ==>use this.
// console.log(teacher);
*/
/*
// Some React.js Basic:
const navbar = (props.company) //props means property => {
}
navbar(company = "Arafat")
Or,
const navbar = ({company}) => {
}
navbar(company = "Arafat")
*/
/*
Now,
Some Basic Of " API or JSON " :
*/
/*
// This is an Syntaxical Error,becauseof "Inverted Comas("")" :
{
name:"arafat",
coursename:"Js Bangla",
price:"free"
}
// This is an Syntaxically Right,becauseof "Inverted Comas("")" :
{
"name":"arafat",
"coursename":"Js Bangla",
"price":"free"
}
*/
/*
For API Resource : https://randomuser.me/
For API Formate : https://jsonformatter.org/
*/
/*
// Some API Formate : Get Arrays in Objects,like this : -
[ // Arrays
{}, //objects
{}, //objects
{} //objects
]
*/
/*
// A Example/Model of API/JSON Formate :
{
"results": [
{
"gender": "female",