The next question generally is will learning this help us in our career? I will present you with the facts and you can be the judge of that.
- Front-end Developer
- Back-end Developer
- Full-Stack web Developer
- WordPress Developer
In the current times, because of the pandemic situation, many people are working as freelancers on different projects. The benefit of that is you can start at any point, right after learning the basics you can take on small projects and start working on them.
Not only will this help you in gaining a better understanding of the language but help you perfect your skills. It would also be such a nice addition to your resume and you can start earning right away. Also, imagine being your own boss! There is no greater joy.
Primitive Data types :
Non Primitive Data types:
2. What is the difference between ‘==’ and ‘===’ ?
Both the equals sign are used to test equality on the left and right-hand side of the operator but there is a difference between them. The ‘==’ is you can say a loose equality operator. This operator first changes the value on both sides of the operator to a common data type and then compares the value and returns true if they are equal and false if they are not.
The ‘===’ is you can say a strict equality operator. This operator compares not just the values but also the type of values on both sides of the operator.
Some of the callbacks are also events that are called to give the user a chance to react when a certain state is triggered, for example, an alarm getting triggered when the number of transactions to be executed per minute goes way beyond the threshold value.
A cookie is actually the amount of information that is in between the client-side and the server-side. This information is stored by the web browser at the time of browsing. That is the reason that before using some of the web sites, you get an option to accept all the cookies!
Whenever a request is sent from the client-side to the server-side, each time it is treated as a new request sent by a new user. To recognise the old user, a cookie is added with the request. Due to this cookie, the server identifies the user on the client-side.
Due to this property, the closure has three scopes:
- Access to variables of outer function variables as mentioned in the definition of closures.
- Access to its own scope.
- Access to all the global variables.
DOM stands for Document Object Model. DOM is used when we interact with web pages. Whenever a web page is loaded, the browser creates a Document Object Model of the page. Using DOM, we can manipulate and create different elements inside an HTML document.
Frequently Asked Questions
As mentioned before, no language is bad for coding interviews. So yes, if you like coding in
By Yashvee Gupta