We can use this statement if we want to execute a set of code in case the given condition is true. Let us say if today is Sunday go to market. |
syntax (How it is written):
if (condition) { job to be done if condition is found true } |
Example |
<html>
<head> </head> <body> <script type=”text/javascript”> var a,b; a=100 b=50 document.write(“<br>Value of a “+a); document.write(“<br>Value of b “+b); if (a>b) { document.write(“<br>value of a is greater than b “); } </script> </body> </html> |
Understanding program : |
Value of a is 100 and value of b is 50. In if statement, we are checking that if a is greater than b then the message should be printed. |
Output: |
Value of a 100 Value of b 50 value of a is greater than b |