4.9.htm

JS源码

<script language="JavaScript">
<!--
var m = 8;
var n = 9;
while( m <= 5 )   
{
document.write( "这是第 "+m+" 行" );
m++; 
}
do
{
document.write("这是第 "+n+" 个" );
n++;
}while(n<=5);
//-->
</script>