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分享option 没有值
<html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node=document.createElement("option");
node.text="葡萄";
x.appendChild(node);
node=null;
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
添加以后是个空的,没有显示"葡萄",请指点~~
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node=document.createElement("option");
node.text="葡萄";
x.appendChild(node);
node=null;
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
添加以后是个空的,没有显示"葡萄",请指点~~
...全文
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yixianggao 2007-08-29
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还可以这么写，L@_@K
<html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node= new Option("葡萄");
x.options.add(node);
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
<html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node= new Option("葡萄");
x.options.add(node);
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
yixianggao 2007-08-29
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- 举报
<html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node=document.createElement("option");
node.innerText="葡萄";
x.appendChild(node);
node=null;
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node=document.createElement("option");
node.innerText="葡萄";
x.appendChild(node);
node=null;
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
suano 2007-08-29
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晕,option的每一项都没付值,谁知道你选了哪个啊
至少要写一个<option value="">...
至少要写一个<option value="">...
tank33cncn 2007-08-29
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x.appendChild(node);----->x.add(node);
<html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node=document.createElement("option");
node.text="葡萄";
x.add(node);
node=null;
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
<html>
<head>
<script type="text/javascript">
function appendOption()
{
var x=document.getElementById("mySelect");
var node=document.createElement("option");
node.text="葡萄";
x.add(node);
node=null;
}
</script>
</head>
<body>
<select id="mySelect">
<option>苹果</option>
<option>梨</option>
<option>香蕉</option>
<option>橙子</option>
</select>
<input type="button" onclick="appendOption()" value="添加">
</form>
</body>
</html>
