3. JavaScript Develop Environment and Execute

Before this chapter, What is Web API?

While the most common scripting language ECMAscript (more widely known as JavaScript) is developed by Ecma, a great many of the APIs made available in browsers have been defined at W3C.

2. What is JavaScript?

1. Creation of JavaScript

In 1995, the Netscape Communications decided to introduce a lightweight programming language to dynamically express static HTML. So JavaScript developed by Brendan Eich.

JavaScript was mounted on Netscape Navigator 2 which is web browser of Netscape Communications, named “Mocha” in March, 1996. In September, renamed to “LiveScript” and finally named as “JavaScript” in December.

So JavaScript is now the standard programming language for all browsers. But JavaScript has not grown smoothly

1. What is Programming?

1. Computational Thinking

Programming is communication that sends commands to be performed to the computer. In order to define the “command to be performed,” the resolution task (problem/requirements) must be clearly understood, the complexity must be simply desconstructed, the data organized and sorted by modeling, and the actions arranged in sequence.

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