**Question 6:** use**nested-if** statement to check your**age>18**

than check your height**height > 5.10**.

If**both** true show any message(**I can sit in__ exam**) in the console?

**Question 7:** Create two variables**grade** and**passingYear**.Check if your**grade == "A"** and**passingYear < 2020** with the help of**ternary** operator(Not allowed to use any logical operator).If both condition*true* print on console**Qualify**. Otherwise**Fail**

}

greet(person)

**Question 5:** Explain use of**return** statement inside the function?

**Question 6:** What are**higher** order functions in JavaScript?

**Question 7:** Create**higher** order function named as**transformer** which take**string** and**firstUpperCaseWord()** as an arguments. And return**string** with first word in**upperCase**

**Question 8:** Difference between**setTimeOut** and**setInterval** function. Also write**syntax** of both methods with specifying what are**required** and**optional** arguments in both function

**Question 9:** Guess the**Output** And Explain Why?

letarrowFunction= (name="Coders")=> {`Welcome${name}`};

console.log(arrowFunction("Programmers"));

**Question 7:** Generate random numbers between 0 and 10 using**trunc** method of**MATH** object

**Question 8:** Guess the**Output** and Explain Why?

let arr= [1,2,3,4];

arr.forEach(elem=>{

if(elem==1){

continue;

}

console.log(elem);

})

**Question 9:** Difference between**call** and**apply** method in term of implementation?

**Question 10:** Guess the**Output** And Explain Why?

let arr= [1,2,3,4];

for(let elemin arr){

console.log(elem);

}

2) contain at least one special character

3) contain at least one alphabet (a-z) character

**Question 1:** Difference between**slice** and**splice** method of array?

**Question 2:** You have given an array of**5** elements(1-5). Your task is defined as below.

1) You have to delete**2** elements starting from index**2**.

2) You have to add**3** new elements on that position of Your choice.

3) Display the**2 deleted** elements in console.

**Question 3:** What happens if we use**negative** number inside**slice** method?

Example : arr.slice(-2);

**Question 4:** Write**three** different methods/approaches to get**last** element of the array?

**Question 5:** One**key** difference between**map** and**filter** method of array?

**Question 6** You have given an array of**scores** in which score of each student stored. Create a new array with the help of original**scores** array in which only those scores exist**greater** than 75%

let totalScore=150;

let scores= [55,76,35,77,88,97,120,136,140];

**Question 7:** You have given an array of numbers**nums**. You have to find**sum** of all array elements using**reduce** method?

let nums= [2,3,5,7,8,4,9];

**Question 8:** You have given an array of numbers**nums**. You have to find the index of value**8** using**built-in** method of array?

let nums= [2,3,5,6,8,6,4,8];

**Question 9:** Explain working difference between**find** and**findIndex** method?

**Question 10:** Difference between**flat** and**flatMap** with details. Also Explain when to use which method?

**Question 11:** By default how**sort** method sort the array.

**Question 12:** Guess the**Output** and Explain Why?

let arr= [1,2,3,4];

let result=arr.splice(1,2).pop();

console.log(result);

**Question 13:** You have given an array of numbers**nums**. You have to check if all elements of the**array > 15** using**built-in** array method.

let nums= [16,17,18,28,22];

**Question 1:** How can we get current time in**millisecond**?

**Question 2:** Explain difference between**getDate()** and**getDay()** method of current Date?