JavaScript Tutorial Language Basics 33 codes

1 Assign one variable to another variable

2 Braces indicate code blocks

3 Declare two variables in the same line

4 Define javascript code in BODY section

5 Define message in one block and output it in another

6 Define script in HEAD section

7 Define variable and assign value

8 Do simple calculation

9 End-of-line semicolons are optional

10 Hide scripts using comments

11 HTML Template Page supporting the JavaScript

12 Keywords

13 Mix complicated code with HTML

14 Mix simple code with HTML

15 Multiline comments

16 Naming Variables

17 Reassigning value to Variables

18 Reference a variable without declaration

19 Reference javascript source file stored outside

20 Reserved Words

21 SCRIPT tags

22 Single line comments

23 The noscript Tag

24 The Semicolon

25 Use parenthesis in expression

26 Use parenthesis in expression 2

27 Use self to reference the current document

28 Use the script tag to incluse your javascript code

29 Variable Scope

30 Variables

31 Variables can hold different types of values at different times

32 Variables dont have to be declared before being used

33 Working With JavaScript Variables