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HTML Form with onClick Code

Please note that some example is only working under IE or Firefox.

/*

Learn How to Program Using Any Web Browser
by Harold Davis 

Apress CopyRight 2004

ISBN: 1590591135
*/
<HTML>
<BODY>
<FORM> 
Enter Your Name: 
<INPUT TYPE=text NAME=userName  VALUE="Harry Potter"> 
Enter Your Age: 
<INPUT TYPE=text NAME=userAge  VALUE="12">
<INPUT TYPE=button VALUE="Check Age" 
onClick='var status = (userAge.value >= 21) ? "an adult" : "a minor"; 
alert(userName.value + " is " + status + ".");'>
</FORM>
</BODY>
</HTML>
           
       
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20.  JavaScript Button action event
21.  Three Buttons Sharing One Function
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23.  Methods and Properties of the Button Object
24.  Putting Script Directly in the onclick Event Handler
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