1. JavaScript The good parts for humans (part 1) B Anjaneyulu Reddy Email: anji.t6@gmail.com Twitter: @_anji www.evibe.in

2. Training Schedule Day 1 o History o Grammar o Objects Day 2 o Functions o Inheritance Day 3 o Arrays o RegEx o Misc Day 4 o Bad parts o JSON o JSLint o Other best practices Day 5

3. Who is the author of JS? Brendan Eich

4. In which year was JS shipped? 1995

5. Name the company in which JS was born? NetScape

6. History of JavaScript (1 of 3) Java applets failed o Microsoft's self implementation of Java VM o long loading time o native OS GUI look and feel How Flex is different from Java applets? Java applet vs Flash vs Silverlight

7. History of JavaScript (2 of 3) `Scheme` like scripting language Brand new programming language in 10 days Java Scheme Self LiveScriptJavaScript JScript

8. History of JavaScript (3 of 3) W3C ECMA - ECMA Script Why haven't the bad parts been fixed?

9. Introduction to JS What is JS? World's most popular programming language World's most confused programming language A language of many contrasts o Write without learning o Loosely typed o Prototype inheritance o Dynamic objects o Language with design mistake: Global variables

10. Bad parts Global variables Semicolon insertion + adds and concatenates `typeof ` `with` and `eval` phony array == and != false, null, undefined, NaN

11. JS falsy values false null undefined NaN '' - empty string 0 - the number 0 All other values are truthy.

12. Grammar White Space

13. Grammar Names Reserved words: abstract, boolean, break, byte, case, catch, char, class, const, continue, debugger, default, delete, do, double, else, enum, export, extends, false, final, finally, float, for, function, goto, if, implements, import, in, instanceof, int, interface, long, native, new, null, package, private, protected, public, return, short, static, super, switch, synchronized, this, throw, throws, transient, true, try, typeof, var, volatile, void, while, with, Infinity, NaN, undefined

14. Grammar Numbers

15. Grammar Exercise 1 1 === 1.0 ? isNaN(); 10 / 0 ? 0 / 0 ? Number.MAX_VALUE;

16. Grammar String String are immutable length, toUpperCase() 'c' + 'a' + 't' === 'cat' ?

17. Grammar Statements JS scoping? JS blocks labels - to break loops 1.html

18. Grammar Statements

19. Grammar Statements disruptive statement break statement return statement

20. Grammar Conditional Statements if switch block if statement

21. Grammar Conditional Statements switch statement case clause

22. Grammar Looping Statements while for do

23. Grammar Looping Statements for statement

24. Grammar Expression

25. Objects What is an Object? Except JS simple types, everything else is an object { numbers, strings, booleans, null and undefined} Objects are mutable keyed collection

26. Objects literal

27. Objects object literal

28. Objects Exercise 2 o Sample Object o TypeError - undefined o || Operator o && Operator o pass by reference o prototypal inheritance Object.beget dynamic relationship o hasOwnProperty o for in statement o global abatement

29. Thank You