Introduction To JavaScript
Web designing needs many skills and different protocols to develop the best website and to maintain that website. It is a powerful scripting language. It develops dynamic websites and provides a user-friendly interface to the audience as JavaScript gives more options for UI and UX. JavaScript allows user to build such a website that surely leave the best impression on the audience. It is easy to use and preferable for both who are new and who are professionals in the web development field. Hence it became a very famous scripting language.
Why JavaScript Is Being Widely Used?
Given below shows why JavaScript is being widely used:
- JavaScript is an object-based scripting language.
- It is integrated with HTML language.
- It is a cross-platform language.
- It is one of the popular languages that is used to create interactive web pages.
- Also, JavaScript is being used to develop mobile applications.
- It is a client-side scripting language. Hence, Browser requires all the code to run the website.
- JavaScript engines typically provide by the browser’s vendors. It is in-built in the browser. Every browser has its own JavaScript engines.
- Most modern browsers support JavaScript.
- JavaScript cannot run its own it needs the browser to run the script.
What We Can Do With JavaScript?
Given below shows what we can do with JavaScript:
- It is a high-level scripting language using that we can implement complex features to the web page.
- We can update the page without reloading the page.
- We can embed the interactive maps on the web page.
- It supports the best option for the UI and UX hence we can create an interactive website to retain the audience.
- Also, it provides options for 2D 3D animation.
- Provides an environment for Web API.
- Allows to handling abnormal conditions with exception handling.
How To Display Static Information?
Using the Document Object Model (DOM), you can represent the static data. DOM gives more options for presenting the information. DOM is the main part of web designing. DOM is platform independent and gives more options for styling, editing, updating the page and content. DOM provides attributes, elements, events, locations, navigators, and styling options for documents.
Example Of DOM:
Code:
<!DOCTYPE HTML>
<html>
<head>
<title>First Page</title>
</head>
<body>
It is our first document!
</body>
</html>
Features Of JavaScript
JavaScript has advanced features that can serve complex functionalities for creating advanced web pages.
Some of them are listed in below table:
| JavaScript’s Features | Description |
| Ajax | It helps to update the webpage without reloading it. |
| JSON | It helps to storing and exchanging data. |
| JQuery | Helps to handle HTML documents in an easy way. |
| Web API | Provides an interface for programming applications. |
How To Create Interactive Maps Using JavaScript?
Displays maps is a widely-used functionality for all types of web pages. Many times, organization’s addresses, site addresses are displayed with the help of interactive maps for better understanding. Organizations those deal with location-based features need to display various locations on their web pages.
In that case, JavaScript comes to the rescue with the help of in-built libraries to display interactive maps:
| JS Library | Description |
| GMaps | To add and customize the google map. |
| jHERE | With less size you can derive a map from the HERE map. |
| Kartograph | Lightweight framework for an interactive map. Library for SVG map. |
| Mapael | Allows you to display a dynamic vector map. |
| DataMaps | Allows you to provide some data with a map. |
| GeoChart | Gives region, marker, text option to style the vector map. |
| Maplace | To embed google map into your website. |
| Map Tool | To highlight and capture map. |
How We Can Represent Animated 2D/3D Graphics Using JavaScript?
Almost all web pages contain 2D/3D graphics that represent some vital information. These graphics can vary in dimensions and properties. But JavaScript being a powerful language, uses its in-built libraries to create 2D/3D graphics.
Widely used libraries:
| JS Library For Graphics | Description |
| Chart.js | It provides 8 prebuilt options for the chart implementation. |
| D3 | It allows you to visualize data of any kind. |
| Anime.js | Library provided for animation. Animate your existed shape or thing with simple steps. |
| PixiJS | 2D drawing library. To display, animate 2D graphics. |
| Zdog | It is for 3D animation. |
| Two.js | 2D graphics option. Options for drawing does not give prebuilt charts. |
Conclusion
It is a wonderful comprehensive language and hence it is widely used. JavaScript is a versatile scripting language as it is integrated with HTML and CSS. It is created to increase the interaction of the audience with the web page.
Recommended Articles
This is a guide to What JavaScript Can Do? Here we discuss the introduction, how to display static information, how to create interactive maps, how we can represent animated 2D/3D graphics and its features. You can also go through our other suggested articles to learn more –
- Introduction to JavaScript
- Is JavaScript Case Sensitive?
- Uses of JavaScript
- Is JavaScript Object Oriented?
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