1 <HTML> 2 <HEAD> 3 <TITLE>JavaScript Example: Background color</TITLE> 4 5 <SCRIPT LANGUAGE="JavaScript"> 6 <!-- hide script from old browsers 7 8 var isWhite = true; 9 10 function setBackground() { 11 if ( isWhite ) { 12 document.bgColor = "pink"; 13 isWhite = false; 14 } else { 15 document.bgColor = "white"; 16 isWhite = true; 17 } 18 } 19 20 // end script hiding --> 21 </SCRIPT> 22 23 </HEAD> 24 25 <BODY BGCOLOR="white"> 26 27 <CENTER> 28 <FORM> 29 <INPUT TYPE="button" VALUE="Toggle Background Color" 30 onClick="setBackground()"> 31 </FORM> 32 </CENTER> 33 34 </BODY> 35 </HTML>