Strong Your JavaScript Core Concepts

1.String.prototype.charAt()
It provides a new string of units located at a specific offset in the sting that contains the UTF-16 code unit. Like,
const blog= ‘This is Blank’;
const index = 2;
console.log(`The blog ${index} is ${blog.charAt(index)}`)

2. String.prototype.substr()
It’s Starting at the specified index, extending for a given number of characters and returns a portion of the String.

3. Math.abs()
Returns the absolute value of a number .Like,
const A = Math.abs(-6.99);
console.log(A);
output = 6.99.

4. Math.ceil()
It’s round the number to it’s nearest integer. like,
const B = Math.ceil(.57);
console.log(B);
output = 1

5. Math.ceil()
It’s round the number upwards to it’s nearest integer. like,
const B = Math.ceil(.57);
console.log(B);
output = 1

6. Math.floor()
It’s round the number downwards to it’s nearest integer. like,
const B = Math.ceil(5.57);
console.log(B);
output = 6

7.Array.filter()
Return an whole array of all the values.

8. Array.ceil()
It’s Remove the last element of an array, like;
const B = [“Banana”, “Orange”, “Apple”, “Mango”];
B.pop();
output = “Banana”, “Orange”, “Apple”

9. Math.ceil()
It’s remove the first element of an array; like,
const B = [“Banana”, “Orange”, “Apple”, “Mango”];
B.shift();
output = “Banana”, “Orange”, “Apple”

About SSL
SSL is the cheapest trusted certificate. It’s ensures that all data passed between the web server and browser remain private.(Short)