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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="keywords" content="Assignment" />
<title>Coding Assisement</title>
<link rel="stylesheet" href="./style.css" />
</head>
<body>
<h2>13. Functions</h2>
<!-- ====== write code -->
<div class="Que">
<p>
Que.1 Create one function with zero parameter having a console
statement;
</p>
<pre>
function func() {
console.log("Hello, world!");
}
// Call the func function to output the message to the console
func();
</pre
>
<p>
Que.2 Create one function which takes two values as a parameter and
print the sum of them as "Sum of 3, 4 is 7"
</p>
<pre>
function printSum(a, b) {
const sum = a + b;
console.log(`Sum of ${a}, ${b} is ${sum}`);
}
printSum(3, 4); // Output: Sum of 3, 4 is 7
</pre
>
<p>Que.3 Create one arrow function</p>
<pre>
// Example arrow function
const square = (num) => num * num;
console.log(square(5)); // Output: 25
</pre
>
<p>Que.4 Print output:</p>
<pre style="color: #fff; background-color: #000">
var x = 21;
var girl = function () {
console.log(x);
var x = 20;
};
girl ();
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
"
>
<strong>Output:</strong> undefined
</p>
<p>Que.5 Print output:</p>
<pre style="color: #fff; background-color: #000">
var x = 21;
girl ();
console.log(x)
function girl() {
console.log(x);
var x = 20;
};
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
display: flex;
"
>
<strong>Output: </strong>
<span
>undefined <br />
21</span
>
</p>
<p>Que.6 Print output:</p>
<pre style="color: #fff; background-color: #000">
var x = 21;
a();
b();
function a() {
x = 20;
console.log(x);
};
function b() {
x = 40;
console.log(x);
};
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
display: flex;
"
>
<strong>Output: </strong>
<span
>20 <br />
40</span
>
</p>
<p>
Que.7 Write a function that accepts parameter n and returns factorial of
n
</p>
<pre>
function factorial(n) {
// Check if n is negative or not
if (n < 0) {
return "Error: Factorial of a negative number does not exist.";
}
// If n is 0 or 1, return 1
else if (n === 0 || n === 1) {
return 1;
}
// Otherwise, calculate the factorial using recursion
else {
return n * factorial(n - 1);
}
}
console.log(factorial(5)); // 120
</pre
>
<p>Que.8 Guess the Output</p>
<pre style="color: #fff; background-color: #000">
function FindSum(a, b){
return a + b;
}
function DisplayData(data, batch){
console.log(`i am from ${data} and My batch is EA${batch}`)
}
DisplayData("PrepBytes", FindSum(10, 9));
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
display: flex;
"
>
<strong>Output: </strong>
<span>i am from PrepBytes and My batch is EA19</span>
</p>
<p>Que.9 Guess the output</p>
<pre style="color: #fff; background-color: #000">
Abc();
const Abc = function(){
let value = 20;
console.log(value);
}
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
display: flex;
"
>
<strong>Output: </strong>
<span>ReferenceError: Cannot access 'Abc' before initialization</span>
</p>
<p>Que.10 Guess the output</p>
<pre style="color: #fff; background-color: #000">
var a = 10;
(function (){
console.log(a);
var a = 20;
})();
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
display: flex;
"
>
<strong>Output: </strong>
<span>undefined</span>
</p>
<p>Que.11 Guess the output</p>
<pre style="color: #fff; background-color: #000">
const greet = function(name){
return function(m){
console.log(`Hi!! ${name}, ${m}`);
}
}
const greet_message = greet('EA19');
greet_message("Welcome To PrepBytes")
</pre
>
<p
style="
border: 2px solid green;
width: 70%;
padding: 10px;
border-radius: 8px;
background-color: bisque;
display: flex;
"
>
<strong>Output: </strong>
<span>Hi!! EA19, Welcome To PrepBytes</span>
</p>
</div>
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