<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<span id="A1">16.39</span><br />
<br />
<span id="A2">11239</span>
<br />
<span id="Span2">112239</span>
</div><span id="Span1">116.39</span><br />
</form>
</body><script type="text/javascript"> var obj = document.getElementsByTagName("span"); for (var i = 0; i < obj.length; i++) {
var span = document.getElementById(obj[i].id); span.onmouseover = function() { span.style.color = "#FF9900"; }; span.onmouseout = function() { span.style.color = "#FFFFFF"; };
} </script></html>
想给每个span 绑定onmouseover , onmouseout 为啥这样写有问题? 4个实现了onmouseout,只有最后一个实现了onmouseover?
javascript
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<span id="A1">16.39</span><br />
<br />
<span id="A2">11239</span>
<br />
<span id="Span2">112239</span>
</div><span id="Span1">116.39</span><br />
</form>
</body><script type="text/javascript"> var obj = document.getElementsByTagName("span"); for (var i = 0; i < obj.length; i++) {
var span = document.getElementById(obj[i].id); span.onmouseover = function() { span.style.color = "#FF9900"; }; span.onmouseout = function() { span.style.color = "#FFFFFF"; };
} </script></html>
想给每个span 绑定onmouseover , onmouseout 为啥这样写有问题? 4个实现了onmouseout,只有最后一个实现了onmouseover?
javascript
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<span id="A1">16.39</span><br />
<br />
<span id="A2">11239</span>
<br />
<span id="Span2">112239</span>
</div><span id="Span1">116.39</span><br />
</form>
</body><script type="text/javascript"> var obj = document.getElementsByTagName("span"); for (var i = 0; i < obj.length; i++) {
obj[i].onmouseover = function() { this.style.color = "#FF9900"; }; obj[i].onmouseout = function() { this.style.color = "#FFFFFF"; };
}</script></html>
obj[i].onmouseover = function() { this.style.color = "#FF9900"; }; obj[i].onmouseout = function() { this.style.color = "#FFFFFF"; };
}
span.onmouseout = function() { this.style.color = "#9F0"; };
<style type="text/css">
.a{
background-color:#FF9900;
}
.b{
background-color:#FFFFFF;
}
</style>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/javascript">
$(function(){
$("span").mouseover(function(){
$(this).removeClass("b").addClass("a");
});
$("span").mouseout(function(){
$(this).addClass("b");
});
})
</script>
var obj = document.getElementsByTagName("span");for (var i = 0 , j = obj.length; i < j; i++) {
(function(span){
span.onmouseover = function() { span.style.color = "#FF9900"; };
span.onmouseout = function() { span.style.color = "#FFFFFF"; };
})(obj[i]);
}