个回答

• 慕婉清5823295

  2015-12-15 14:13:18

  <script type="text/javascript">

   var numa,numb;

   numa=60;

   numb=70;

   if(numa>=60&&numb>=60)

    {

    document.write("JavaScript考核通过！"+"<br>");

    }

    else{

      document.write("JavaScript不通过！")

    }

  </script>

  
  

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