Why we can not over ride a Constructor This is a very important question, that, Why we can not over ride a Constructor. So, If we want to understand this, then we will need to understand first, What is Over riding and What is Constructor. So, Let’s understand both. What is Over riding or Method … Read more
What is Arrow Function In the last session, We had discussed about Anonymous Function. Anonymous Function is a type of Function which has no name or identifier, So Arrow Function is a type of Anonymous Function, So it’s quite obvious that, Arrow Function will also not have any name. Rules for declaration of Arrow Function … Read more
What is Anonymous Function Anonymous Function is a type of function which has no name or identifier. So, How do we define or declare an anonymous function and how do we call them, If we want to see that, then let’s take an example of a normal function. Normal Function So, Let’s see a Normal … Read more
What is Map, Reduce and Filter What is Map Let’s understand Maps first. So, We had discussed about forEach in one of our previous sessions, and, We had seen that forEach loop takes value as an argument, and we can print that value. We can do the same thing with Map as well. Let’s see … Read more
9 different ways of declaring or defining a function in Javascript In, one of our previous sessions, We had seen, What is a Function, and in this session, We are going to see, how can we declare a function in different ways. Function Declaration This is a type of function which we have already discussed … Read more
Loops with Arrays in Javascript In our last session, we had seen, What is Array and what are different array methods and operators. In this session, We are going to see, how can we use loops with Arrays. We have already seen different types of loops in Javascript in one of our previous session, and … Read more
Arrays and Arrays Methods in Javascript Arrays in Javascript When we have to hold multiple values in a single Variable, then we need array. Let’s take an example of Students in a school. Student is a single variable but will hold multiple values. like, class, age, gender, marks etc.. So, If we want to hold … Read more
String in Javascript What is String String is a data type in javascript. It is a very important data type. Let’s understand the importance of a string with an example. Name of this youtube channel QA Peddia Hindi, So how important is the name for a youtube channnel, it is very important. So, Data type … Read more
Function in Javascript Before understanding function in Javascript, Let’s take an example of Test Case, where we have to add 2 numbers multiple times, then what can we do, You might say that we can write the code to add 2 numbers that many times or we can use loops, and Yes, We can do … Read more
Loops in Javascript What is Loops When we want to execute a piece of code for a number of times, without writing it multiple times, then we use loops for that.For example, If you want to print “Hello World” 5 times, then you can write something like this. But this is not an effiecient way … Read more