3 important Javascript Important interview question with answers

What is javascript?

JavaScript is a programming language which runs inside browsers. They are available in all browsers like IE, Chrome etc.

What is HTML DOM?

DOM is a standard interface by which we can access/ update /add HTML elements.

So how is the DOM structured?

HTML DOM (Document object model) has a hierarchal structure. 

<html>
<body>
<form>
<input type=text name=”txtname” value=”shiv”/>
</form>
</body>
</html>

For example for the above HTML code , below is the DOM hierarchy structure.

javascript

So example if you wish to access the textbox value , you need to write the below JavaScript code.

var x = document.forms[0].txtname.value;

Advertisements

About c# and .NET Interview questions

This blog is for developers who want to crack .NET and C# interviews. It has all tips and tricks needed to crack .NET interviews , C# interview , SQL Server interview , Java interview , WCF Interview , Silverlight interview , WPF interview , LINQ interview , Entity framework Interview. Do not forget to watch our Learn step by step video series. Learn MVC in 16 hours:- https://www.youtube.com/watch?v=Lp7nSImO5vk Learn AngularJS Step by Step:- https://www.youtube.com/watch?v=0kmdjqgO9IY Learn Design Pattern in 8 hours:- https://www.youtube.com/watch?v=YDobmucohqk Learn C# and .NET in 60 days:- https://www.youtube.com/watch?v=yh2SrzCkNQA Learn MSBI in 32 hours:- https://www.youtube.com/watch?v=mGPJx3ocFgg Learn SharePoint Step by Step in 8 hours:- https://youtu.be/C2fW76SwJNU
This entry was posted in Uncategorized and tagged , , , , . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s