<HTML><HEAD><META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0"><TITLE></TITLE>
<style>
B{ border:1PX SOLID gray;}</style></HEAD><BODY><button onclick="ok();">插我</button><B id=aaa style='border'>5</B><SCRIPT LANGUAGE=javascript>
function ok() { var b_tag=document.getElementsByTagName("B"); var x=parseInt(10 * Math.random()); if(b_tag.length>0) { var b_length=b_tag.length; var flag=false; for(var i=0;i<b_length;i++) { if(x<parseInt(b_tag[i].innerText)) { 
} else { b_tag[i].insertAdjacentHTML("beforeBegin","<B>"+x+"</B>"); flag=true; break; } } if(!flag) { b_tag[b_length-1].insertAdjacentHTML("afterEnd","<B>"+x+"</B>"); } } else { aaa.insertAdjacentHTML("afterEnd","<B>"+x+"</B>"); } }
</SCRIPT></BODY></HTML>
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