</p>
<form>
<select name="mySelect" size="3">
<option>Apple</option>
<option>Banana</option>
<option>Orange</option>
</select>
<input type="button" onclick="formAction()" value="Select multiple">
</form>
</body>
</html>
返回所选列表的文本值
<html>
<head>
<script type="text/javascript">
function getText()
{
var x=document.getElementById("mySelect")
alert(x.options[x.selectedIndex].text)
}
</script>
</head>
<body>
<form>
Select your favorite fruit:
<select id="mySelect">
<option>Apple</option>
<option>Orange</option>
<option>Pineapple</option>
<option>Banana</option>
</select>
<br /><br />
<input type="button" onclick="getText()" value="Show text of selected fruit">
</form>
</body>
</html>
删除列表的项目
<html>
<head>
<script type="text/javascript">
function formAction()
{
var x=document.getElementById("mySelect")
x.remove(x.selectedIndex)
}
</script>
</head>
<body>
<form>
<select name="mySelect">
<option>Apple</option>
<option>Banana</option>
<option>Orange</option>
</select>
<input type="button" onclick="formAction()" value="Remove option">
</form>
</body>
</html>
显示屏幕的信息
<html>
<body>
<script type="text/javascript">
document.write("Screen resolution: ")
document.write(screen.width + "*" + screen.height)
document.write("<br />")
document.write("Available view area: ")
document.write(screen.availWidth + "*" + screen.availHeight)
document.write("<br />")
document.write("Color depth: ")
document.write(screen.colorDepth)
document.write("<br />")
</script>
</body>
</html>
表格对象
改变表格的边框
<html>
<head>
<script type="text/javascript">
function changeBorder()
{
document.getElementById('myTable').border="10"
}
</script>
</head>
<body>
<table border="1" id="myTable">
上一篇:网页制作中表单相关特效整理
下一篇:javascript的键盘控制事件
|
精品推荐