Conditional Statement
In JavaScript there are three types loop are used:
If statement:
<script type="text/javascript">
var age = prompt("Please enter your age");
if(age>=18)
document.write("You are an adult <br />");
if(age<18)
document.write("You are NOT an adult <br />");
</script>
If-else
<script type="text/javascript">
// Get the current hours
var hours = new Date().getHours();
if(hours<12)
document.write("Good Morning!!!<br />");
else
document.write("Good Afternoon!!!<br />");
</script>
If-else-if statement:
<script type="text/javascript">
var one = prompt("Enter the first number");
var two = prompt("Enter the second number");
one = parseInt(one);
two = parseInt(two);
if (one == two)
document.write(one + " is equal to " + two + ".");
else if (one<two)
document.write(one + " is less than " + two + ".");
else
document.write(one + " is greater than " + two + ".");
</script>