VBScript Code

You can use the SCRIPT element to add VBScript

code to an HTML page.

The <SCRIPT> Tag

VBScript code is written within paired <SCRIPT>

tags. For example, a procedure to test a delivery date

might appear as follows:

<!-

Function CanDeliver(Dt)
CanDeliver = (CDate(Dt) Now())
> 2
End Function
->
</SCRIPT>

Beginning and ending <SCRIPT> tags surround the

code. The LANGUAGE attribute indicates the

scripting language. You must specify the language

because browsers can use other scripting languages.

Notice that the CanDeliver function is embedded in

comment tags (< 1 and >). This prevents,

browsers that don't understand the <SCRIPT> tag

from displaying the code. Since the example is a

general function it isn't tied to any particular form

control you can include it in the HEAD section of the

page:

<HTML>
<HEAD>
<TITLE>Place Your Order</TITLE>
<SCRIPT LANGUAGE="VBScriPt">

<!-
Function CanDeliver(Dt)
CanDeliver = (CDate(Dt) Now())
> 2
End Function
->
</SCRIPT>
</HEAD>
<BODY>

You can use SCRIPT blocks anywhere in an HTML

page. You can put them in both the BODY and

HEAD sections. However, you'll probably want to

put all general purpose scripting code in the HEAD

section in order to keep all the code together.

Keeping your code in the HEAD section ensures that

all code is read and decoded before it's needed by

any calls from within the BODY section.

One notable exception to this rule is that you may

want to provide inline scripting code within forms to

respond to the events of objects in your form. For

example, you can embed scripting code to respond

to a button

click in a form:

<HTML>
<HEAD>
<TITLE>Test Button Events</TITLE>
</HEAD>
<BODY>
<FORM NAME="Form1">
<INPUT TYPE="Button" NAME= "Button1"

VALUE = "Click">

< SCRIPT FOR = "Button 1 " EVENT = "onClick"

LANGUAGE "VBScript">
MsgBox "Button Pressed!"
</SCRIPT>
</FORM>
</BODY>
</HTML>

Most of your code will appear in either Sub or

Function procedures and will be called only when

code you have written causes it to execute. However,

you can write VBScript code outside procedures,

but still within a SCRIPT block. This code is

executed only once, when the HTML page loads.

This allows you to initialize data or dynamically

change the look of your Web page when it loads.

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