Reading-notes

The summary of JS :

• JS, is a programming language that conforms to the ECMAScript specification. JavaScript is high-level, often just-in-time compiled, and multi-paradigm. It has curly-bracket syntax, dynamic typing, prototype-based object-orientation, and first-class functions.

• The standards for JavaScript are the ECMAScript Language Specification (ECMA-262) and the ECMAScript Internationalization API specification (ECMA-402). The JavaScript documentation throughout MDN is based on the latest draft versions of ECMA-262 and ECMA-402. And in cases where some proposals for new ECMAScript features have already been implemented in browsers, documentation and examples in MDN articles may use some of those new features.

• Every function in JavaScript is a Function object. See Function for information on properties and methods of Function objects

  

• The very first thing we need to learn is how to interact with the JavaScript code running in the browse. There are a number of way JavaScript can display text for the user (output). The most simple one is by using the alert function:

and that is , the end ..