值得思考的一个有关问题？
日期：2014-05-16 浏览次数：20416 次
值得思考的一个问题？？？
突然间想用几个按钮来改变浏览器窗口滚动条的颜色，但找不到滚动条对象，而对于其他的比如textarea,div,iframe都可以直接找到对象，但整个浏览器窗口对象呢，哪里去找？？？下面是我改变textarea对象的JavaScript和CSS代码，有谁能改变改变整个浏览器窗口滚动条颜色，也就是动态改变???
<html>
<head>
<title> 改变滚动条颜色 </title>
<script language= "JavaScript ">
<!--
function changeScrollColor(color) {
txta.style.scrollbarFaceColor = color;
txta.style.backgroundColor = color;
document.recalc();
}
//-->
</script>
<style type= "text/css ">
<!--
* {
scrollbar-face-color : tomato;
}
-->
</style>
</head>
<body>
<textarea id= "txta " rows= "5 " cols= "30 ">
</textarea>
<form>
<input type= "button " value= "红色 " name= "red " onclick= "changeScrollColor( 'tomato '); ">
<input type= "button " value= "蓝色 " name= "blue " onclick= "changeScrollColor( 'aqua '); ">
<input type= "button " value= "绿色 " name= "green " onclick= "changeScrollColor( 'springgreen '); ">
</form>
</body>
</html>
------解决方案--------------------
<html>
<head>
<title> 改变滚动条颜色 </title>
<script language= "JavaScript ">
<!--
function changeScrollColor(color) {
txta.style.scrollbarFaceColor = color;
txta.style.backgroundColor = color;
document.body.style.scrollbarFaceColor = color;
document.body.style.backgroundColor = color;
}
//-->
</script>
<style type= "text/css ">
<!--
* {
scrollbar-face-color : tomato;
}
-->
</style>
</head>
<body>
<textarea id= "txta " rows= "5 " cols= "30 ">
</textarea>
<form>
<input type= "button " value= "红色 " name= "red " onclick= "changeScrollColor( 'tomato '); ">
<input type= "button " value= "蓝色 " name= "blue " onclick= "changeScrollColor( 'aqua '); ">
<input type= "button " value= "绿色 " name= "green " onclick= "changeScrollColor( 'springgreen '); ">
</form>
</body>
</html>
突然间想用几个按钮来改变浏览器窗口滚动条的颜色，但找不到滚动条对象，而对于其他的比如textarea,div,iframe都可以直接找到对象，但整个浏览器窗口对象呢，哪里去找？？？下面是我改变textarea对象的JavaScript和CSS代码，有谁能改变改变整个浏览器窗口滚动条颜色，也就是动态改变???
<html>
<head>
<title> 改变滚动条颜色 </title>
<script language= "JavaScript ">
<!--
function changeScrollColor(color) {
txta.style.scrollbarFaceColor = color;
txta.style.backgroundColor = color;
document.recalc();
}
//-->
</script>
<style type= "text/css ">
<!--
* {
scrollbar-face-color : tomato;
}
-->
</style>
</head>
<body>
<textarea id= "txta " rows= "5 " cols= "30 ">
</textarea>
<form>
<input type= "button " value= "红色 " name= "red " onclick= "changeScrollColor( 'tomato '); ">
<input type= "button " value= "蓝色 " name= "blue " onclick= "changeScrollColor( 'aqua '); ">
<input type= "button " value= "绿色 " name= "green " onclick= "changeScrollColor( 'springgreen '); ">
</form>
</body>
</html>
------解决方案--------------------
<html>
<head>
<title> 改变滚动条颜色 </title>
<script language= "JavaScript ">
<!--
function changeScrollColor(color) {
txta.style.scrollbarFaceColor = color;
txta.style.backgroundColor = color;
document.body.style.scrollbarFaceColor = color;
document.body.style.backgroundColor = color;
}
//-->
</script>
<style type= "text/css ">
<!--
* {
scrollbar-face-color : tomato;
}
-->
</style>
</head>
<body>
<textarea id= "txta " rows= "5 " cols= "30 ">
</textarea>
<form>
<input type= "button " value= "红色 " name= "red " onclick= "changeScrollColor( 'tomato '); ">
<input type= "button " value= "蓝色 " name= "blue " onclick= "changeScrollColor( 'aqua '); ">
<input type= "button " value= "绿色 " name= "green " onclick= "changeScrollColor( 'springgreen '); ">
</form>
</body>
</html>
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