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Complete VBScript Reference
The Rnd function returns a random number. The number is always less than 1 but greater or equal to 0.
Syntax
Rnd[(number)]
| Parameter | Description |
|---|---|
| number | Optional. A valid numeric expression If number is:
|
Examples
Example 1
A random number:
<script type="text/vbscript">
document.write(Rnd)
</script>
document.write(Rnd)
</script>
Note that you will get the same number every time. To avoid this, use the Randomize statement like in Example 2
The output of the code above will be:
0.7055475
Try it yourself »
Example 2
To avoid getting the same number every time, like in Example 1, use the Randomize statement:
<script type="text/vbscript">
Randomize
document.write(Rnd)
</script>
Randomize
document.write(Rnd)
</script>
The output of the code above will be:
0.4758112
Try it yourself »
Example 3
Here is how to produce random integers in a given range:
<script type="text/vbscript">
Dim max,min
max=100
min=1
Randomize
document.write(Int((max-min+1)*Rnd+min))
</script>
Dim max,min
max=100
min=1
Randomize
document.write(Int((max-min+1)*Rnd+min))
</script>
The output of the code above will be:
71
Try it yourself »
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