这么简单的一个功能，在火狐里怎么就不能运行

Jenf_Mu 2011-05-07 09:50:46

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >

<head>

    <title>Untitled Page</title>

    <script type="text/javascript">

        function OnLoad() {

            var Select1 = document.getElementById("Select1");

            var Select2 = document.getElementById("Select2");

            var arr = ["人族", "兽族", "暗夜", "不死"];

//             if (Select1) {

//                 Select1.add(new Option("人族"));

//                 Select1.add(new Option("兽族"));

//                 Select1.add(new Option("暗夜"));

//                 Select1.add(new Option("不死"));

//             }

            Select1.remove(0);

            Select2.remove(0);

            for (var i = 0; i < arr.length; i++) {

                Select1.add(new Option(arr[i]));

                Select2.add(new Option(arr[i]));

            }

        }

        function btnRandom_onclick() {

            var Select1 = document.getElementById("Select1");

            var Select2 = document.getElementById("Select2");



            Select1.selectedIndex = Math.random() * 3;

            Select2.selectedIndex = Math.random() * 3;

        }

    </script>

</head>

<body>



    <select id="Select1" name="D1">

        <option></option>

    </select><input id="btnRandom" type="button" value="随机" onclick="return btnRandom_onclick()" /><select 

        id="Select2" name="D2">

        <option></option>

    </select>

<script type="text/javascript">

    OnLoad();

    btnRandom_onclick();

</script>

</body>

</html>

实在看不出来哪儿不对，火狐里也没法调试，只能问人了。

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hongmei85 2011-05-07

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for (var i = 0; i < arr.length; i++) {
Select1.options[Select1.options.length]=new Option(arr[i],arr[i]);
Select2.options[Select2.options.length]=new Option(arr[i],arr[i]); }

zell419 2011-05-07

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Select1.options.add(new Option(arr[i]));

Select2.options.add(new Option(arr[i]));

knightzhuwei 2011-05-07

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >

<head>

    <title>Untitled Page</title>

    <script type="text/javascript">

        function OnLoad() {

            var Select1 = document.getElementById("Select1");

            var Select2 = document.getElementById("Select2");

            var arr = ["人族", "兽族", "暗夜", "不死"];

            for (var i = 0; i < arr.length; i++) {

            	var op=document.createElement("option");

            	op.innerHTML=arr[i];

                Select1.appendChild(op);

                var op=document.createElement("option");

            	op.innerHTML=arr[i];

                Select2.appendChild(op);

            }

        }

        function btnRandom_onclick() {

            var Select1 = document.getElementById("Select1");

            var Select2 = document.getElementById("Select2");

            Select1.selectedIndex = Math.random() * 3;

            Select2.selectedIndex = Math.random() * 3;

        }

    </script>

</head>

<body>



    <select id="Select1" name="D1">

        <option></option>

    </select><input id="btnRandom" type="button" value="随机" onclick="return btnRandom_onclick()" /><select 

        id="Select2" name="D2">

        <option></option>

    </select>

<script type="text/javascript">

    OnLoad();

    btnRandom_onclick();

</script>

</body>

</html>