JavaScript Guide for Beginners

Posted on 05/20/2018 by Jonathan O'Brien

Netscape founder Marc Andreessen wanted a language Web programmers and designers could use that would allow the coding for images and plugins to be written directly in the Web page markup and display neatly on a computer screen. Netscape's team collaborated with Sun Microsystems and decided to make Sun's Java the basis of this new language. The first prototype was written in May 1995. Beta releases of Netscape 2.0 called the language LiveScript when it shipped in September of 1995, but by December, it was renamed JavaScript. As the Netscape team worked to promote and refine this new language, the first decade of JavaScript's existence was hobbled by the fact that Microsoft refused to include the language in their Internet Explorer browser, which grew to become the dominant browser. Jesse James Garrett developed the idea of Ajax in 2005, in which JavaScript was the key for allowing data to load in the background without causing a whole page to reload. This would be key to developing more dynamic Web applications going forward and help to promote JavaScript's wider use.


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JavaScript Guide for Beginners


JavaScript in Today's World

Today, JavaScript is one of the top Internet programming languages. Ajax resulted in better JavaScript programming practices, the use of JavaScript in applications other than Web browsers, and the proliferation of frameworks and libraries devoted to JavaScript. The CommonJS project was developed in 2009 to establish standards for JavaScript development outside of Web browsers. JavaScript heavily influenced the development of the Internet: The picture-, video-, and application-rich Internet of today was made possible with JavaScript.

What Is ECMAScript?

ECMAScript is also known as ES. It is a scripting language specification and was created to standardize JavaScript. It is currently on its ninth edition. Apart from JavaScript, it is also used with JScript and ActionScript. ES is used primarily for client-side scripting on the Internet. It also is used for writing server applications.


Current Features

Today, all modern computer browsers support JavaScript, and modern features all conform to ECMAScript standards. JavaScript now supports structured programming syntax including do while loops, if statements, switch statements, and while loops. After ECMAScript 2015 was released, JavaScript gained improved scoping as well. JavaScript now can read the difference between expressions and statements. Like most other scripting languages, JavaScript is dynamically typed and is object-based. It supports anonymous functions along with implicit and explicit delegation.


JavaScript and the Internet

More than 95% of all Web pages use JavaScript as client-side programming. JavaScript allows scripts to either embed or be included from HTML. It also allows them to interact with the Document Object Model (DOM) on the page. Examples of this usage include loading new page content or sending data to the service without forcing the page to reload. A common example would be updating a social media status without actually leaving the page. JavaScript also makes interactive games possible. Web cookies and other ways of tracking behavior also use it. Responsiveness is improved by JavaScript's ability to run in a browser versus a remote server. JavaScript's ability to decode user actions, like individual keystrokes, makes it a popular choice for interfaces like Gmail's.

Related Javascript Posts:

How Much Do Javascript Training Courses Cost?

Public instructor-led Javascript course prices start at $1,740 per student. Group training discounts are available.

Self-Paced Javascript eLearning courses cost $300 at the starting point per student. Group purchase discounts are available.

What Javascript Skills Should I Learn?

A: If you are wondering what Javascript programming skills are important to learn, we've written a Javascript Skills and Learning Guide that maps out Javascript skills that are key to master and which of our courses teaches each skill.

Read Our Javascript Skills and Learning Guide

How Can I Start Learning Javascript?

A: Read our Javascript for Beginners Guide to review resources and learning options for those just starting out learning Javascript.

Which JavaScript course is best?

A: The answer to which JavaScript course is best depends on your learning goals and objectives. If you want to learn the basics of JavaScript programming, then an introductory course would be the best option. However, if you want to learn more advanced topics, then a more comprehensive course would be a better choice. Whichever route you choose, make sure that the course is taught by experienced instructors who can provide detailed explanations and examples.

Is JavaScript harder than HTML?

A: There is no easy answer to this question as it depends on a variety of factors. However, in general, HTML is considered to be simpler than JavaScript. This is because HTML focuses on structure and content, while JavaScript is a programming language that enables more complex functionality. For someone with no coding experience, HTML may be the easier option to learn. However, for someone with some coding experience, JavaScript may be a better choice. Ultimately, it is up to the individual and their learning style as to which option they prefer.

What are the top Javascript skills?

A: There is no doubt that Javascript is one of the most popular programming languages in use today. It is versatile and can be used for a wide range of applications, from web development to mobile app development.

If you are looking to improve your skills in Javascript, then here are some of the top skills you should focus on:

Top Javascript Skills

1. Understanding the DOM - The Document Object Model (DOM) is an API that allows programmers to manipulate HTML documents. A good understanding of the DOM is essential for anyone who wants to create interactive web applications using Javascript.

2. Learning jQuery - jQuery is a widely used Javascript library that makes it easier to work with the DOM. If you want to be able to create complex web applications, then learning jQuery is a must.

3. Working with AJAX - AJAX is a technique that allows for the creation of web applications that can communicate with a server without refreshing the page. This makes it possible to create responsive and dynamic user interfaces.

4. Understanding Promises - Promises are a new feature of Javascript that make it easier to work with asynchronous code. If you want to be able to write code that is more responsive and efficient, then understanding promises is essential.

5. Mastering the Basics - Of course, no matter how advanced your skills become, it is always important to master the basics of any programming language. This includes things like variables, data types, loops, and conditionals.

By focus on these top skills, you can become a master of Javascript and use it to create amazing web applications.

Where Can I Learn More About Javascript?

Javascript Blogs

Javascript User Groups

Javascript Online Forums

Explore Javascript Training Classes Near Me:

Certstaffix Training provides Javascript classes near me or online, depending on the number of students involved. We offer online courses for individual learners, as well as in person classes at your office for corporate groups. Our trainers are highly experienced professionals with the expertise necessary to help you gain a thorough understanding of Javascript concepts and tools. With our courses available online for individuals or in person for corporate groups, it's easy to develop your Javascript skills. Start learning today and see how Certstaffix Training can help you reach your goals.


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