Maybe, you are using += with innerHTML. Try the following:
var myNum = [1,2,3]; var myStr; myStr = "<ul>"; for( var a in myNum) myStr += "<li>" + a + "</li>"; myStr += "</ul>"; id("numberList").innerHTML = myStr;
Maybe, you are using += with innerHTML. Try the following:
var myNum = [1,2,3]; var myStr; myStr = "<ul>"; for( var a in myNum) myStr += "<li>" + a + "</li>"; myStr += "</ul>"; id("numberList").innerHTML = myStr;