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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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11.  JavaScript Button action event
12.  Three Buttons Sharing One Function
13.   Running a Script from User Action
14.  Methods and Properties of the Button Object
15.  Putting Script Directly in the onclick Event Handler
16.  Toggle button with hand cursor and image
17.  Button Click action
18.  Button On Click Action
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