Introduction to ECMAScript
History of ECMAScript-
ECMAScript has released the first Edition in June 1997 and the second edition of ECMAScript was released in June 1998.and the third edition was released in December 1999. It has Regular expressions, better string handling, control statement and try and catch. Its fourth edition was created on 2000.it was scrapped because it not success in the term of incompatible means the lack of support. It has not much supported by the browser. After that, the 5th edition was released on 2009. It came with lots of new features.
ECMAScript edition and release year
Es1 – 1997
Es3 - 1999
Introduction to ECMAScript 5-
ECMAScript 5 was released on 2009. After es3 es5 comes with new features and supported to the browser. ECMAScript has 2 languages
It also focused on security and bulk of the features comes in the term of functions means it creates functions in strict mode or writes code with strict mode. When we start writing code we just add a line on top of the page.
Features of es5
Use of reserved words (such as We can use new or function keywords after the dot operator)
New methods- we have lots of new methods for array
Support for JSON