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我想弄清楚如何获得一个Javascript键盘来触发播放与该代码对应的特定音轨。我发现下面的代码打开了在键盘上输入的扩展名的新窗口,但是如何让它触发播放具有相同代码的音轨(即输入“0001”播放名为“0001”的文件?Javascript代码播放音频
资源和技巧感谢!非常感谢!
<body onload="emptyCode();">
<script type="text/javascript">
function addCode(key){
var code = document.forms[0].code;
if(code.value.length < 4){
code.value = code.value + key;
}
if(code.value.length == 4){
document.getElementById("message").style.display = "block";
setTimeout(submitForm,1000);
}
}
function submitForm(){
document.forms[0].submit();
}
function emptyCode(){
document.forms[0].code.value = "";
}
</script>
<style>
body {
text-align:center;
background-color:#333333;
font-family:Verdana, Arial, Helvetica, sans-serif;
}
#keypad {margin:auto; margin-top:20px;}
#keypad tr td {
vertical-align:middle;
text-align:center;
border:1px solid #000000;
font-size:18px;
font-weight:bold;
width:40px;
height:30px;
cursor:pointer;
background-color:#666666;
color:#CCCCCC;}
#keypad tr td:hover {background-color:#999999; color:#FFFF00;}
.display {
width:130px;
margin:10px auto auto auto;
background-color:#000000;
color:#00FF00;
font-size:18px;
border:1px solid #999999;
}
#message {
text-align:center;
color:#009900;
font-size:14px;
font-weight:bold;
display:none;
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<form action="code.htm" method="get">
<table id="keypad" cellpadding="5" cellspacing="3">
<tr>
<td onclick="addCode('1');">1</td>
<td onclick="addCode('2');">2</td>
<td onclick="addCode('3');">3</td>
</tr>
<tr>
<td onclick="addCode('4');">4</td>
<td onclick="addCode('5');">5</td>
<td onclick="addCode('6');">6</td>
</tr>
<tr>
<td onclick="addCode('7');">7</td>
<td onclick="addCode('8');">8</td>
<td onclick="addCode('9');">9</td>
</tr>
<tr>
<td onclick="addCode('*');">*</td>
<td onclick="addCode('0');">0</td>
<td onclick="addCode('#');">#</td>
</tr>
</table>
<input type="text" name="code" value="" maxlength="4" class="display" readonly="readonly" />
<p id="message">HOLD PLEASE</p>
</form>
</body>