我有一个关于 5 个问题的 HTML 代码和一个“发送”按钮 - 单击它后还会显示一条消息...我想在第一个按钮旁边添加第二个按钮(清除/重置),以便所有以前的答案和消息会消失 - 就像“再次测试”按钮一样。我怎样才能做到这一点?提前感谢您的回答:)
</head>
<body onload="gophrases()">
<div class="page">
<div class="title">
<h3>Subject</h3>
</div>
<div class="questions">
<table>
<tr>
<td id="num">01.</td>
<td id="quest">Request 1</td>
<td id="ans"><input type="radio" name="q1" onclick="enable('q2')">Yes <input type="radio" name="q1" onclick="enable('q2')">No</td>
</tr>
<tr>
<td id="num">02.</td>
<td id="quest">Request 2</td>
<td id="ans"><input type="radio" name="q2" onclick="enable('q3')">Yes <input type="radio" name="q2" onclick="enable('q3')">No</td>
</tr>
<tr>
<td id="num">03.</td>
<td id="quest">Request 3</td>
<td id="ans"><input type="radio" name="q3" onclick="enable('q4')">Yes <input type="radio" name="q3" onclick="enable('q4')">No</td>
</tr>
<tr>
<td id="num">04.</td>
<td id="quest">Request 4</td>
<td id="ans"><input type="radio" name="q4" onclick="enable('q5')">Yes <input type="radio" name="q4" onclick="enable('q5')">No</td>
</tr>
<tr>
<td id="num">05.</td>
<td id="quest">Request 5</td>
<td id="ans"><input type="radio" name="q5" onclick="enable('q6')">Yes <input type="radio" name="q5" onclick="enable('q6')">No</td>
</tr>
<tr>
</table>
</div>
<div class="submit">
<input type="button" value="Submit" onclick="check()" id="submitbutton">
</div>
<div class="result">
<p><span id="phrase"></span></p>
</div>
<div class="phrases">
<p><span id="score"></span></p>
</div>
</div>
<script type="text/javascript">
function check() {
var count = 0;
var qs = new Array();
qs[0] = document.getElementsByName("q1");
qs[1] = document.getElementsByName("q2");
qs[2] = document.getElementsByName("q3");
qs[3] = document.getElementsByName("q4");
qs[4] = document.getElementsByName("q5");
for(var i = 0 ; i < qs.length; i++) {
if (qs[i][0].checked) {
count++;
}
}
var phrase = "";
if(count < 1) {
phrase = "Bad";
} else if(count < 3) {
phrase = "Good";
} else if(count < 5) {
phrase = "Excellent";
}
document.getElementById("phrase").innerHTML = phrase;
}
function enable(name) {
var radio = document.getElementsByName(name);
if(!radio[0].checked || !radio[1].checked) {
radio[0].disabled = false;
radio[1].disabled = false;
}
}
function button() {
document.getElementById("submitbutton").disabled = false;
}
</script>
</body>
</html>