Page 192 - Web Applications (803) Class 12
P. 192
Flow diagram:
Start
if False
condition
True
else
Statements
statements
Stop
Example:
<html>
<body>
<script>
var number = 21;
if (number%2==0)
document.write("Even Number");
else
document.write("Odd Number");
</script>
</body>
</html>
Output of the preceding program is as follows:
As seen in the above example, the block of code in the else block is executed if the condition is false. However,
if the first condition is false then the else if statement can be used to specify a new condition as shown:
Syntax:
if (condition1) {
// block of code is executed if condition1 is true
} else if (condition2) {
// block of code is executed if the condition1 is false and condition2 is
true
} else {
// block of code is executed if the condition1 is false and condition2 is
false
}
190 Touchpad Web Applications-XII

