1 <HTML> 2 3 <HEAD> 4 <TITLE>JavaScript Example: if-then-else</TITLE> 5 6 <SCRIPT LANGUAGE="JavaScript"> 7 <!-- hide script from old browsers 8 9 function displayMsg(number) { 10 if ( number == 0 ) 11 window.alert("You want to learn Java!") 12 else if ( number == 1 ) 13 window.alert("You want to learn JavaScript!") 14 else if ( number == 2 ) 15 window.alert("You want to learn VRML!") 16 else 17 // This can't happen: 18 window.alert("You don't want to learn anything!!") 19 } 20 21 // end script hiding --> 22 </SCRIPT> 23 24 </HEAD> 25 26 <BODY BGCOLOR="#FFFFFF"> 27 28 <CENTER><FORM> 29 Which technology do you want to learn? <P> 30 <INPUT TYPE="button" NAME="java" 31 VALUE="Java" onClick="displayMsg(0)"> 32 <INPUT TYPE="button" NAME="javascript" 33 VALUE="JavaScript" onClick="displayMsg(1)"> 34 <INPUT TYPE="button" NAME="vrml" 35 VALUE="VRML" onClick="displayMsg(2)"> 36 </FORM></CENTER> 37 38 </BODY> 39 </HTML>