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Update README.md
Complete Assignment of JavaScript course
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‎README.md‎

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@@ -9,22 +9,22 @@
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```js
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let languages="java javaScript python cSharp";
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let result=languages.lastIndexOf("S");
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console.log(result)
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console.log(result)
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```
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**Question 4:** Guess the**Output** and Explain Why?
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```js
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let variable="hello programmers";
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let result=Number(variable);
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console.log(result);
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console.log(result);
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```
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**Question 5:** Guess the**Output** and Explain Why?
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```js
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let num1=32;
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let num2="32";
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let result1= num1!== num2;
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let result2= num1!= num2;
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console.log(result1,result2);
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console.log(result1,result2);
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```
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**Question 6:** Guess the**Output** and explain Why?
@@ -39,22 +39,22 @@ console.log(result);
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let num1=2;
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let num2=5;
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let result= num1**num2*2;
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console.log(result);
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console.log(result);
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```
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**Question 8:** Guess the**Output** and Explain Why?
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```js
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let num1= [1,2,4,5];
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let num2= [6,5,8,0];
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let result=num1.concat(num2);
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console.log(result)
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console.log(result)
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```
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**Question 9:** Guess the**Output** and Explain Why?
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```js
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let a=5;
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let b=7;
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let c=8;
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let result= a<b>c;
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console.log(result)
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console.log(result)
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```
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**Question 10:** If your state split into**four** equal parts such that in each part there are**1/4** number of people live. You have to find How many people would live in each part?
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@@ -80,7 +80,7 @@ else{
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```js
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let i=0;
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for(i;i<5;i++){
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console.log(i);
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console.log(i);
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}
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```
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**Question 3:** Write a simple**Program** in which You have to print first**10** number in**descending** order?
@@ -122,7 +122,7 @@ Example
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functionaddition(num1,num2){
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return num1+ num2;
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}
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console.log(addition());//You are not allowed to modify this line any more
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console.log(addition());//You are not allowed to modify this line any more
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```
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**Question 4:** Identify which**type** of value passed below into the function**greet()**
@@ -134,7 +134,7 @@ age:25
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}
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functiongreet(person){
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person.name=`Mr${person.name}`
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console.log(`Welcome${person.name}`)
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console.log(`Welcome${person.name}`)
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}
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greet(person)
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```
@@ -161,7 +161,7 @@ and so on.
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```js
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letarrowFunction= (name="Coders")=> {`Welcome${name}`};
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164-
console.log(arrowFunction("Programmers"));
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console.log(arrowFunction("Programmers"));
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```
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##Chapter 4 (Objects)
@@ -185,8 +185,8 @@ model:2021,
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company:"Toyota"
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}
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let carColor="Blue";
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console.log(car[carColor]);
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console.log(car.carColor);
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console.log(car[carColor]);
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console.log(car.carColor);
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```
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**Question 4:** Create a method**describeCar** inside*car* object in which you have to print like this in console using template literals
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@@ -234,7 +234,7 @@ bookMethod("john",8754);
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```js
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let arr= [1,2,3,4];
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for(let elemin arr){
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console.log(elem);
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console.log(elem);
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}
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```
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@@ -254,8 +254,8 @@ console.log(elem);
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**JavaScript**
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```js
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let content=document.getElementById("content")
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console.log(content.innerHTML)
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console.log(content.innerText)
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console.log(content.innerHTML)
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console.log(content.innerText)
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```
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@@ -287,9 +287,9 @@ e.preventDefault();
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let password=inputPassword.value;
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let result=requiredPasswordPattern.test(password);
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if(result==true){
290-
console.log("Your password validated successfully")
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console.log("Your password validated successfully")
291291
}else{
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console.log("try again with new password")
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console.log("try again with new password")
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}
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})
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```
@@ -403,7 +403,7 @@ let nums = [16,17,18,28,22];
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let currentDate=newDate();
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let result1=currentDate.getDay();
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let result2=currentDate.getDate();
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console.log(result1,result2)
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console.log(result1,result2)
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```
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##Chapter 9 (Local Storage)
@@ -435,11 +435,12 @@ class.
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**Question 3:** Guess the**Output** And Explain Why?
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```js
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functionPerson(name){
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this.name= name;
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this.name= name;
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}
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let me=newPerson("John");
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console.log(me.__proto__==Person.prototype);
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console.log(me.__proto__.__proto__==Object.prototype);
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console.log(me.__proto__==Person.prototype);
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console.log(me.__proto__.__proto__==Object.prototype);
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```
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@@ -465,18 +466,20 @@ class Car = {
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```js
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functionPerson(name,age){
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this.name= name;
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this.age= age;
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this.brainMethod=function(){
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console.log("This is brain method of Person")
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this.name= name;
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this.age= age;
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this.brainMethod=function(){
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console.log("This is brain method of Person")
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}
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}
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Person.heartMethod=function(){
475-
console.log("This is heart method of Person");
476+
Person.heartMethod=function(){
477+
console.log("This is heart method of Person");
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}
477479
let me=newPerson("john",34);
478-
me.brainMethod();
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me.heartMethod();
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me.brainMethod();
482+
me.heartMethod();
480483
```
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**Question 7:** Create a new class**Animal** (which will be child class) inherited from**Person** class. In Addition in**Animal** class Add some additional properties like**breedType** and**animalFamily**.(catFamily, dogFamily)
@@ -489,10 +492,88 @@ class Car {
489492
}
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}
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let car=newCar();
492-
console.log(Car.prototype.isPrototypeOf(Car));
493-
console.log(Car.prototype.isPrototypeOf(car));
495+
console.log(Car.prototype.isPrototypeOf(Car));
496+
console.log(Car.prototype.isPrototypeOf(car));
497+
```
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##Chapter 11( Async & Await )
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###Assignments
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**Question 1:** Guess the**Output** And Explain Why?
503+
**Html Code**
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505+
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```html
507+
<!DOCTYPE html>
508+
<htmllang="en">
509+
<head>
510+
<metacharset="UTF-8">
511+
<metahttp-equiv="X-UA-Compatible"content="IE=edge">
512+
<metaname="viewport"content="width=device-width, initial-scale=1.0">
513+
<title>JavaScript-CoderDost</title>
514+
<style>
515+
</head>
516+
<body>
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<div id="content">
518+
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<h2 id = "heading"></h2>
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</div>
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<script defer src = "./script.js"></script>
523+
</script>
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</body>
525+
</html>
526+
```
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**JS Code**
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```js
530+
async function greeting() {
531+
letmyPromise =newPromise(function(resolve) {
532+
setTimeout(function() {resolve("IloveProgramming !!");}, 2000);
533+
});
534+
document.getElementById("heading").innerHTML = await myPromise;
535+
}
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greeting();
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```
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**Question 2:** Find the**Logical Error** in belowcode. And How can we solve them with**callback** function approach?
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```js
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const movies = [
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{ title: `Movie 1`},
545+
{ title: `Movie 2` }
546+
]
547+
548+
function getMovies(){
549+
setTimeout(() => {
550+
movies.forEach((movie,index) => {
551+
console.log(movie.title)
552+
})
553+
}, 1000);
554+
}
555+
556+
function createMovies(movie){
557+
setTimeout(() => {
558+
movies.push(movie)
559+
}, 2000);
560+
}
561+
562+
getMovies();
563+
564+
565+
createMovies({title: `Movie3`} )
566+
```
567+
568+
**Question 3:** What are the**three** possible State of any promise?
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570+
**Question 4:** Solve**Question 2** again But thistime with the help of**promise**
571+
572+
**Question 5:** Nowre-factor**Question 2** with the help of**async-await** keyword?
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**Question 6:** Statuscode starting with**300** represent which type of message/error?
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496577
## Chapter 12 (Modern Operators)
497578
498579
### Assignments
@@ -502,7 +583,7 @@ console.log(Car.prototype.isPrototypeOf(car));
502583
```js
503584
let arr = [3,4,5,7,98,0];
504585
let [a,b,,c] = arr;
505-
console.log(a,b,c);
586+
console.log(a,b,c);
506587
```
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**Question 2:** Guess the**Output** And Explain Why?
@@ -521,7 +602,7 @@ weight:70
521602
}
522603
523604
let {name:objName,age} = obj;
524-
console.log(name,age);
605+
console.log(name,age);
525606
```
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527608
**Question 4:** You have given an array of**nums**.Create**shallow** copy of that array and store them in another**variable**
@@ -549,7 +630,7 @@ console.log(result);
549630
**Question 7:** You have given anobject as below. You have to check wheather**physics** is the subject of that student or not, if true find the**score** of**physics** subject using**optional chaining**
550631
551632
```js
552-
let student= {
633+
let student = {
553634
Math:{
554635
score:75,
555636
},
@@ -563,12 +644,19 @@ score:85,
563644
```js
564645
let nums = [2,3,4,5,6];
565646
for(let key of nums) {
566-
console.log(key)
647+
console.log(key)
567648
}
568649
```
569650
570-
651+
## Chapter 13 (Modern Tooling)
571652
653+
### Assignments
654+
655+
**Question 1:** You have given scenario. You are in**script.js** And in same directory there is another file**products.js**. In**products.js** there are two methods called**createProduct** and**deleteProduct**
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657+
write an**import** and**export** statement properly in order to import these two methods from**products.js** file into the**script.js**
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573659
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**Question 2** Now**export** only one method**createProduct** using**default** export statement?
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662+
**Question 3:** In**importing** statement how can we**customize**/**change** the name of **function** we are importing?

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