图片与JavaScript配合做出个性滚动条- Javascript

当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 图片与JavaScript配合做出个性滚动条

Javascript: javascript function、指针及内置对象; Javascript 同时提交多个Web表单的方法; 用jQuery简化JavaScript开发分析; Javascript静态分页(多个资料，静态自动分页); JavaScript 调试器简介; JavaScript 判断浏览器类型及版本; javascript eval函数深入认识; 一个写得较好的JavaScript日期挑选控件; JavaScript基本概念初级讲解论坛贴的学习记录; javascript web对话框与弹出窗口; input、button的不同type值在ajax提交表单时导致的陷阱; javascript 密码强弱度检测万能插件; javascript 特殊字符串; Javascript动态伸缩+淡出淡入; javascript URL锚点取值方法; jQuery Div中加载其他页面的实现代码; javascript 文档的编码问题解决; escape、encodeURI 和 encodeURIComponent 的区别; [推荐]javascript 面向对象技术基础教程; js 页面执行时间计算代码

No. « ‹ 127 128 129 130 › »

技术文章搜索

关键字

Javascript 中的图片与JavaScript配合做出个性滚动条

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2010-01-10 浏览: 312 ::

收藏到网摘: n/a

简单的加密css地址防止别人下载你的CSS文件的方法 JavaScript 复制功能代码兼容多浏览器

如果你想定制出一个漂亮的滚动条的话,这个JS特效可能会适合你,不过代码稍嫌麻烦些,但效果真的不错,代码含有中文注释,学习也是不错的,希望朋友们喜欢.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>图片与JavaScript配合做出个性滚动条</title>
<style type="text/css">
* { margin:0; padding:0; }
body { margin:20px 0 400px 20px; font:12px Arial; }
h1 { font-size:14px; }
ol { margin:20px; line-height:160%; }
#out {
position:relative;
width:500px;
height:300px;
margin:100px 0 100px 80px;
border:1px solid #369;
overflow:hidden;
}
#content {
width:520px;
height:100%;
overflow:auto;
-moz-user-select:none;
}
#scrollBar,#scrollBarHandle,.scroll_bar_top,.scroll_bar_top_a,.scroll_bar_bottom,.scroll_bar_bottom_a {
background-image:url(http://files.ruanchen.com/"out">
<div id="content">
fsdfs fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 11111111 fsdfs 
</div>
<div id="scrollBar">
<div id="scrollBarTop" class="scroll_bar_top"></div>
<div id="scrollBarHandle"></div>
<div id="scrollBarBottom" class="scroll_bar_bottom"></div>
</div>
</div>
<script>
var ximen = {
$:function(o){ return document.getElementById(o); },
getStyle:function(o) { return o.currentStyle||document.defaultView.getComputedStyle(o,null); },
getOffset:function(o) {
var t = o.offsetTop,h = o.offsetHeight;
while(o = o.offsetParent) { t += o.offsetTop; }
return { top:t, height:h };
},
bind:function(o,eType,fn) {
if(o.addEventListener) { o.addEventListener(eType,fn,false); }
else if(o.attachEvent) { o.attachEvent("on" + eType,fn); }
else { o["on" + eType] = fn; }
},
unbind:function(o,eType,fn) {
if(o.removeEventListener) { o.removeEventListener(eType,fn,false); }
else if(o.detachEvent) { o.detachEvent("on" + eType,fn); }
else { o["on" + eType] = fn; }
},
stopPropagate:function(e) {
if(e && e.stopPropagation) { e.stopPropagation(); }
else { window.event.cancelBubble = true; }
return false;
},
stopDefault:function(e) {
e = e || window.event;
e.stopPropagation && (e.preventDefault(),e.stopPropagation()) || (e.cancelBubble = true,e.returnValue = false);
}
};
(function(){
var myScrollDown,myScrollUp,scrollBarMouseDown,scrollBarMouseUp,relY,
out = ximen.$("out"),
content = ximen.$("content"),
scrollBar = ximen.$("scrollBar"),
scrollBarTop = ximen.$("scrollBarTop"),
scrollBarHandle = ximen.$("scrollBarHandle"),
scrollBarBottom = ximen.$("scrollBarBottom"),
scrollBarUpHeight = parseInt(ximen.getStyle(scrollBarTop).height),
scrollBarBottomHeight = parseInt(ximen.getStyle(scrollBarBottom).height),
contentScrollHeight = content.scrollHeight,//将content.scrollHeight赋一次值,解决IE6下scrollHeight需调用两次的bug
scrollBarHandleHeight = parseInt(content.offsetHeight/content.scrollHeight * (scrollBar.offsetHeight - scrollBarUpHeight - scrollBarBottomHeight)),
setScrollBarHandle = function() {//当内容超多时设置拖拽条子的最小高度
scrollBarHandle.style.top = scrollBarUpHeight + "px";
if(scrollBarHandleHeight > 15) { scrollBarHandle.style.height = scrollBarHandleHeight + "px"; }
else { scrollBarHandleHeight = 15; scrollBarHandle.style.height = "15px"; }
},
clearAllInterval = function() { clearInterval(myScrollDown); clearInterval(myScrollUp); clearInterval(scrollBarMouseDown); },
forMousemove = function(e) {
var e = e || window.event;
content.scrollTop = (e.clientY - relY - scrollBarUpHeight)/(scrollBar.offsetHeight - scrollBarHandleHeight - scrollBarUpHeight - scrollBarBottomHeight)*(content.scrollHeight - content.offsetHeight);
},
forMouseDown = function(event){
var et = event.target || event.srcElement;
relY = event.clientY - et.offsetTop;
ximen.bind(document,"mousemove",forMousemove);
},
scrollDir = function(e) {
var e = e || window.event,eDir; //设置滚轮事件,e.wheelDelta与e.detail分别兼容IE、W3C，根据返回值的正负来判断滚动方向
if(e.wheelDelta) { eDir = e.wheelDelta/120; }
else if(e.detail) { eDir = -e.detail/3; }
if(eDir > 0) { content.scrollTop -= 80; } //步长设80像素a比较接近window滚动条的滚动速度
else { content.scrollTop += 80; }
ximen.stopDefault(e);
},
scrollBarClick = function(e) {
var e = e || window.event,
mStep = scrollBar.offsetHeight,
documentScrollTop = document.documentElement.scrollTop,
hOffset = ximen.getOffset(scrollBarHandle);
if(documentScrollTop + e.clientY < hOffset.top) { scrollBarMouseDown = setInterval(function(){ content.scrollTop -= 15; },10); }
else if(documentScrollTop + e.clientY > hOffset.top + hOffset.height) { scrollBarMouseDown = setInterval(function(){ content.scrollTop += 15; },10); }
};
setScrollBarHandle();
ximen.bind(content,"scroll",function(){
scrollBarHandle.style.top = content.scrollTop/(content.scrollHeight - content.offsetHeight) * (scrollBar.offsetHeight - scrollBarHandleHeight - scrollBarUpHeight - scrollBarBottomHeight) + scrollBarUpHeight + "px";
});
ximen.bind(scrollBarBottom,"mousedown",function(){ myScrollDown = setInterval(function(){ content.scrollTop += 15; },10); });
ximen.bind(scrollBarTop,"mousedown",function(){ myScrollUp = setInterval(function(){ content.scrollTop -= 15; },10); });
ximen.bind(scrollBarBottom,"mouseup",clearAllInterval);
ximen.bind(scrollBarBottom,"mouseout",clearAllInterval);
ximen.bind(scrollBarTop,"mouseup",clearAllInterval);
ximen.bind(scrollBarTop,"mouseout",clearAllInterval);
ximen.bind(scrollBarHandle,"mousedown",forMouseDown);
ximen.bind(document,"mouseup",function(){
ximen.unbind(document,"mousemove",forMousemove);
ximen.unbind(scrollBarHandle,"mousemove",forMousemove);
});
ximen.bind(out,"selectstart",function(){ return false; });
ximen.bind(out,"select",function(){ document.selection.empty(); });
ximen.bind(out,"mousewheel",scrollDir);
ximen.bind(out,"DOMMouseScroll",scrollDir);
ximen.bind(scrollBar,"mousedown",scrollBarClick);
ximen.bind(scrollBar,"mouseup",clearAllInterval);
ximen.bind(scrollBarTop,"click",function(event){ ximen.stopPropagate(event); });
ximen.bind(scrollBarTop,"mousedown",function(){ scrollBarTop.className = "scroll_bar_top_a"; });
ximen.bind(scrollBarTop,"mouseup",function(){ scrollBarTop.className = "scroll_bar_top"; });
ximen.bind(scrollBarTop,"mouseout",function(){ scrollBarTop.className = "scroll_bar_top"; });
ximen.bind(scrollBarBottom,"click",function(event){ ximen.stopPropagate(event); });
ximen.bind(scrollBarBottom,"mousedown",function(){ scrollBarBottom.className = "scroll_bar_bottom_a"; });
ximen.bind(scrollBarBottom,"mouseup",function(){ scrollBarBottom.className = "scroll_bar_bottom"; });
ximen.bind(scrollBarBottom,"mouseout",function(){ scrollBarBottom.className = "scroll_bar_bottom"; });
})();
</script>
</body>
</html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

简单的加密css地址防止别人下载你的CSS文件的方法 JavaScript 复制功能代码兼容多浏览器

Javascript 中的 图片与JavaScript配合做出个性滚动条

评论 (0) All

Javascript 中的图片与JavaScript配合做出个性滚动条