| 10.4.1.Accessing and Writing Information |
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The form object contains an elements array. |
The elements array are indexed in the order they appear, and you can access a specific element by its NAME instead of index number. |
Using Different Methods of Accessing Form Elements |
<HTML>
<HEAD>
<TITLE>Example of Accessing Form Elements</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function showCar(){
var car = document.pref.elements[0].value;
alert("Your favorite car is: " + car);
}
function showColor(){
var color = document.pref.color.value;
alert("Your favorite color is: " + color);
}
// End hide-->
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME="pref" METHOD=POST>
Enter the name of your favorite car:
<INPUT TYPE="text" NAME="car" SIZE=25>
<INPUT TYPE="BUTTON" NAME="carButton" VALUE="Show Car" onClick="showCar(this.form)">
<BR>
Enter your favorite color:
<INPUT TYPE="text" NAME="color" SIZE=15>
<INPUT TYPE="BUTTON" NAME="colorButton" VALUE="Show Color" onClick="showColor(this.form)">
</FORM>
</BODY>
</HTML>
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