为什么加了form就不行了！？？？

Question

将javascript改成这样
<script language=javascript>
function NYSfont()
{if((form1.readPath.selectedIndex!=-1)){form1.pathContent.value=form1.readPath.options[form1.readPath.selectedIndex].value;}}
</script>

Answer 1

访问时加上document.form1. 或 document.all.function NYSfont() {
  if((document.form1.readPath.selectedIndex!=-1)) {
    document.form1.pathContent.value=document.form1.readPath.options[document.form1.readPath.selectedIndex].value;
  }
}

Answer 2

同意上面的观点，用document.form1.readPath来引用