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VBScript Functions

 

Examples

1. This example demonstrates how you can use the UCase and LCase functions. These functions returns a string that has been converted to uppercase or lowercase characters.

Coding

<html>

<body>

<script language="VBScript">

name="Bill Gates"

document.write(ucase(name))

document.write("<br />")

document.write(lcase(name))

</script>

</body>

</html>

Output

BILL GATES

bill gates

2. This example demonstrates how you can use the Trim, LTrim and RTrimfunctions. The first function returns a string without leading and trailing spaces, the second function a string without leading spaces, the third function returns a string without trailing spaces.

Coding

<html>

<body>

<script language="VBScript">

name = " Bill "

document.write("Hello" & trim(name) & "Gates<br />")

document.write("Hello" & rtrim(name) & "Gates<br />")

document.write("Hello" & ltrim(name) & "Gates<br />")

</script>

</body>

</html>

Output

HelloBillGates

Hello BillGates

HelloBill Gates

3. This example demonstrates how you can use the StrReverse function. This functions reverse a string.

Coding

<html>

<body>

<script language="VBScript">

sometext = "Hallo Everyone!"

document.write(strReverse(sometext))

</script>

</body>

</html>

Output

!enoyrevE ollaH

4. This example demonstrates how you can use the Round function. This functions round a number.

Coding

<html>

<body>

<script language="VBScript">

i = 48.66776677

j = 48.3333333

document.write(Round(i))

document.write("<br />")

document.write(Round(j))

</script>

</body>

</html>

Output

49

48

5. This example demonstrates how you can use the Rnd and the Randomize functions. This functions returns a random number.

Coding

<html>

<body>

<script language="VBScript">

randomize()

document.write(Rnd())

</script>

</body>

</html>

Output

0.1347772

6. This example uses the functions: Rnd, Int, and randomize, to return a random number between 0 and 99.

Coding

<html>

<body>

<script language="VBScript">

randomize()

randomNumber=Int(100 * rnd())

document.write("A random number: <b>" & randomNumber & "</b>")

</script>

</body>

</html>

Output

A random number: 19

7. This example demonstrates how you can use the Left and Right functions. These functions returns a specified number of characters from the left or right side of a string.

Coding

<html>

<body>

<script language="VBScript">

sometext="Welcome to our Web Site!!"

document.write(Left(sometext,5))

document.write("<br />")

document.write(Right(sometext,5))

</script>

</body>

</html>

Output

Welco

ite!!

8. This example demonstrates how you can use the Replace function. This function returns a string in which a specified sub-string has been replaced with another sub string a specified number of times.

Coding

<html>

<body>

<script language="VBScript">

sometext="Welcome to this Web!!"

document.write(Replace(sometext, "Web", "Page"))

</script>

</body>

</html>

Output

Welcome to this Page!!

9. This example demonstrates how you can use the Mid function. This function returns the characters you specify, example: mid(str,9,2) returns two characters from character number 9.

Coding

<html>

<body>

<script language="VBScript">

sometext="Welcome to our Web Site!!"

document.write(Mid(sometext, 9, 2))

</script>

</body>

</html>

Output

to

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