我想讲form表单中的值赋值到param 内，但是初始化时获取不到form内的值

Question

<form id="videomForm" method="post">

   <table class="formTable">

        <input type="text"  id="videoName" name="videoName" value=""> 

        <input type="text"  id="addressURL" name="addressURL" value="">

   </table>

</form>

<object classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95

codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701width= "616 " '

height=500 id=MPlayer width=900>

        <param name="FileName " value="">

        <param name="Src" value="E:\video\2019-12-03\1575361757224.mp4">

        <param name="AutoStart " value="1 ">

       <param name="AnimationAtStart " value="1 ">

       <param name="ShowControls " value="1 ">

       <param name="ClickToPlay " value="0 ">

       <param name="EnableContextMenu " value="0 ">

       <param name="ShowStatusBar " value="1 ">

</object>

<script>

    $(function(){

         var value1 = document.getElementById("MPlayer");

         var FileName = document.getElementsByTagName("param")[0].value;

         var videoName=  document.getElementById("videoName").value;

    });

 

 </script>

Answer 1

脚本已经报错了吧。没有引入jquery， $理论已经报错了。