JavaScript Introduction – Basic Level

Hey guys, how are you? Thanks for being a part of my newly launched web tutorial sessions.

JavaScript web development tutorials will help you to understand the basic web development with JavaScript. Hopefully, you are excited for this but let me tell you some prerequisites. You should have HTML knowledge.

I am considering that you have prior knowledge of HTML. But don’t afraid, are you asking me why? Let’s check it out…

I am providing you here the tutorials of JavaScript but yes side but side as per as the requirement I will definitely explain HTML. So you don’t have to afraid of the HTML fear.So get ready for the session now.

Have tea or coffee whatever you wanna take…!! 

Get ready for the session now.  I have only one request that, please focus here while you are reading my post. Don’t flow your mind in other thoughts. Keep them aside, please…

If you are hearing any kind of disturbing noise then please fix it first to avoid concentration breakage…

Let’s get started with the JavaScript journey… 

What is JavaScript?

JavaScript is a scripting language. Are you thinking what kinda? Okay, let me tell you that also. JavaScript is an object-based scripting language. JavaScript is a interpreted programming language.

Are you thinking that what is interpreted programming language?

If you don’t know about the interpreted programming language? Must go through the screenshot given below.

What is interpreted programming language?

What is an interpreted programming language?

JavaScript codes are translated but not compiled. JavaScript Translator is responsible for the translation purpose of JavaScript code.

One of the important factor of JavaScript is also that JavaScript is designed for creating network-centric applications. JavaScipt is very easy to implement because of its collaboration with HTML and Java too. And it is also open source and cross-platform.

Are you not getting a simple question that where JavaScript is used? Ohh…, are you saying yes? No problem, I am also going to tell you that 😀

So, let’s get started with the JavaScript importance:

  1. Client-side or front-end validations
  2. Used to create dynamic drop-down menus
  3. Displaying data and time
  4. Performing mathematical operation easily.
  5. Displaying warning popup windows and dialog boxes.
  6. Displaying clocks and much more.

Client Side Scripting Language

Client side scripting language is a language is which all the calculation and reporting process goes at the end of client or user’s system. These results are not calculated at the server side.

In this, all the .js files get stored on the user system’s and whenever requirement occurs, then results are opted from those scripts respectively. And the biggest benefit of this client side loading is that it improves the website or web page performance. No server load is present here.

.js is the extension of JavaScript file. Save these scripts with .js suffix.

Advantages of JavaScript

  1. Less server interaction which directly increases the speed of web page response.
  2. Immediate feedback to the visitors, YUP! As I told before…
  3. You can make web pages more attractive and user-friendly as compared to the static HTML
  4. Provide a dynamic environment to the web page.
  5. You can Richer interfaces

Development Tools for Java Script

  • Microsoft FrontPage
  • Macromedia Dreamweaver MX
  • Macromedia HomeSite 5
  • Sublime (Text Editor)

How and where to write JavaScript code?

Basically, when you start writing the JavaScript code you have to write two important tags. And if you don’t include your javascript code in between, its will not execute.

Are you asking me the tags?

Okay those tags are – <script …>YOUR CODE HERE</script>

() means the attributes that are required by the tag. These attributes are very important. Those two important attributes are as:

  1. Language
  2. Type

Language means the scripting language you are using like javascript etc. Type indicates, scripting language in use & its value should be “text/javascript”.

And finally JavaScript code looks like? (Example Code)

      <script language="javascript" type="text/javascript">
            document.write("Hey Pooja! How are you?")

<script language=“javascript” type=“text/javascript”>



(Don’t forget to close the tags.)

Above code snipt will explained in the next session. So stay updated with the website to get more tutorials like this.


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