if...else : If « Statement « JavaScript Tutorial

JavaScript Tutorial
1. Language Basics
2. Operators
3. Statement
4. Development
5. Number Data Type
6. String
7. Function
8. Global
9. Math
10. Form
11. Array
12. Date
13. Dialogs
14. Document
15. Event
16. Location
17. Navigator
18. Screen
19. Window
20. History
21. HTML Tags
22. Style
23. DOM Node
24. Drag Drop
25. Object Oriented
26. Regular Expressions
27. XML
28. GUI Components
29. Dojo toolkit
30. jQuery
31. Animation
32. MS JScript
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
JavaScript Tutorial » Statement » If 
3. 2. 2. if...else

Syntax

if(statement){
      code;
    }else(statement){
      code;
    }

The if...else statement performs logic statements on specific cases.

If statement is satisfied, its statements are executed.

Otherwise, the else statement is evaluated.

When statement evaluates to true, code is executed.

<html>
    <body>
    <script lanuguage="JavaScript">
    <!--
    var temp = 1;

    if(temp == true){
         document.write("Statement is true");
    else{
         document.write("Statement is false");
    }

    -->
    </script>
    </body>
    </html>
3. 2. If
3. 2. 1. Conditionals
3. 2. 2. if...else
3. 2. 3. Use if statement to compare the numbers
3. 2. 4. Use if/else to check the returning value from a confirm dialog
3. 2. 5. Use if statement to check the returning value from a confirm dialog
3. 2. 6. Nested if statement
3. 2. 7. if...then...else...if
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.