下拉列表,如何响应onclick事件
答案:1 悬赏:0
解决时间 2021-02-11 23:02
- 提问者网友：敏感魔鬼
- 2021-02-11 10:49
下拉列表,如何响应onclick事件
最佳答案
- 二级知识专家网友：劳资的心禁止访问
- 2021-02-11 11:05
<body>
<script>
function testClk(){
var obj = document.getElementById("slec");
if (obj.value == "是")
{
form1.f1.disabled = false;
form1.f2.disabled = false;
form1.f3.disabled = false;
form1.f4.disabled = false;
}
if (obj.value == "否")
{
form1.f1.disabled = true;
form1.f2.disabled = true;
form1.f3.disabled = true;
form1.f4.disabled = true;
}
}
</script>
<form id="form1" name="form1" method="post" action="1.ASP">
<select name="aaa" id="slec" onchange="testClk()">
<option value="否" >否</option>
<option value="是" >是</option>
</select>
<input type="text" id="f1" name="f1" value="1" disabled >
<input type="text" id="f2" name="f2" value="2" disabled >
<input type="text" id="f3" name="f3" value="3" disabled>
<input type="text" id="f4" name="f4" value="4" disabled >
</form>
</body>
<script>
function testClk(){
var obj = document.getElementById("slec");
if (obj.value == "是")
{
form1.f1.disabled = false;
form1.f2.disabled = false;
form1.f3.disabled = false;
form1.f4.disabled = false;
}
if (obj.value == "否")
{
form1.f1.disabled = true;
form1.f2.disabled = true;
form1.f3.disabled = true;
form1.f4.disabled = true;
}
}
</script>
<form id="form1" name="form1" method="post" action="1.ASP">
<select name="aaa" id="slec" onchange="testClk()">
<option value="否" >否</option>
<option value="是" >是</option>
</select>
<input type="text" id="f1" name="f1" value="1" disabled >
<input type="text" id="f2" name="f2" value="2" disabled >
<input type="text" id="f3" name="f3" value="3" disabled>
<input type="text" id="f4" name="f4" value="4" disabled >
</form>
</body>
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