javascript技巧大全
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event.srcElement.tagName
event.srcElement.type
event.srcElement.setCapture();
event.srcElement.releaseCapture();
event.keyCode
event.shiftKey
event.altKey
event.ctrlKey
event.returnValue
event.x
event.y
document.activeElement
document.captureEvents(Event.KEYDOWN);
document.all("txt").focus();
document.all("txt").select();
document.execCommand
document.cookie
document.oncontextmenu
document.createElement("SPAN");
document.elementFromPoint(event.x,event.y).tagName=="TD
document.elementFromPoint(event.x,event.y).appendChild(ms)
document.images[索引]
document.onmousedown=scrollwindow;
document.窗体.elements[索引]
document.all.xxx.detachEvent('onclick',a);
navigator.plugins
typeof($js_libpath) == "undefined"
下拉框.options[索引]
下拉框.options.length
document.getElementsByName("r1");
document.getElementById(id);
timer=setInterval('scrollwindow()',delay);
clearInterval(timer);
escape() ,unescape
obj.parentElement(dhtml)
obj.parentNode(dom)
TableID.moveRow(2,1)
document.all.csss.href = "a.css";
display:inline
hidefocus=true
style="word-break:break-all"
<meta HTTP-EQUIV="refresh" CONTENT="8;URL=http://c98.yeah.net">
<a href="mailto:aaa@bbb.com?subject=ccc&body=xxxyyy">
obj.scrollIntoView(true)
<a name="first">
<a href="#first">anchors</a>
location.search();
obj.contenteditable=true
obj.execCommand
/[^/x00-/xff]/
汉字
/[/u4e00-/u9fa5]/
word-wrap: break-word; word-break: break-all;
<IFRAME src="/1.htm" width=300 height=180 allowtransparency></iframe>
obj.style.cssText
document.documentElement.innerHTML
document.styleSheets[0]
document.styleSheets[0].rules[0]
<a href="javascript:function()">word</a>
asp:
request.servervariables("HTTP_REFERER")
javascript:
document.referrer
CollectGarbage();
document.oncontextmenu = function() { return false;}
<noscript><iframe src="/*.htm"></iframe></noscript>
<input type=text onpaste="return false">
<link rel="Shortcut Icon" href="favicon.ico">
favicon.ico 名字最好不变16*16的16色,放虚拟目录根目录下
<link rel="Bookmark" href="favicon.ico">
<input type=button value=查看网页源代码 onclick="window.location = 'view-source:'+ 'http://www.csdn.net/'">
<input style="ime-mode:disabled">
<input type=text name=text1 value="123" onfocus="this.select()">
<input onkeydown="if(event.keyCode==13)event.keyCode=9">
<input type=text value="123" onfocus="alert(this.defaultValue)">
obj.title = "123
sdfs "
var n1 = new Date("2004-10-10".replace(/-/g, "//")).getTime()
win.closed
<input type=checkbox style="position: absolute; clip:rect(5px 15px 15px 5px)"><br>
document.selection.createRange().duplicate().text
<input type=text autocomplete=on>打开该功能
<input type=text autocomplete=off>关闭该功能
<body onload="window.resizeTo(window.screen.width - 4,window.screen.height-50);window.moveTo(-4,-4)">
window.open("aa.htm", "meizz", "fullscreen=7");
alert(decodeURIComponent(encodeURIComponent("http://你好.com?as= hehe")))
encodeURIComponent对":"、"/"、";" 和 "?"也编码
<tr onmouseover="this.bgColor='#f0f0f0'" onmouseout="this.bgColor='#ffffff'">
//各种尺寸
s += "/r/n网页可见区域宽:"+ document.body.clientWidth;
s += "/r/n网页可见区域高:"+ document.body.clientHeight;
s += "/r/n网页可见区域高:"+ document.body.offsetWeight +" (包括边线的宽)";
s += "/r/n网页可见区域高:"+ document.body.offsetHeight +" (包括边线的宽)";
s += "/r/n网页正文全文宽:"+ document.body.scrollWidth;
s += "/r/n网页正文全文高:"+ document.body.scrollHeight;
s += "/r/n网页被卷去的高:"+ document.body.scrollTop;
s += "/r/n网页被卷去的左:"+ document.body.scrollLeft;
s += "/r/n网页正文部分上:"+ window.screenTop;
s += "/r/n网页正文部分左:"+ window.screenLeft;
s += "/r/n屏幕分辨率的高:"+ window.screen.height;
s += "/r/n屏幕分辨率的宽:"+ window.screen.width;
s += "/r/n屏幕可用工作区高度:"+ window.screen.availHeight;
s += "/r/n屏幕可用工作区宽度:"+ window.screen.availWidth;
s += "/r/n网页可见区域高:"+ document.body.clientHeight;
s += "/r/n网页可见区域高:"+ document.body.offsetWeight +" (包括边线的宽)";
s += "/r/n网页可见区域高:"+ document.body.offsetHeight +" (包括边线的宽)";
s += "/r/n网页正文全文宽:"+ document.body.scrollWidth;
s += "/r/n网页正文全文高:"+ document.body.scrollHeight;
s += "/r/n网页被卷去的高:"+ document.body.scrollTop;
s += "/r/n网页被卷去的左:"+ document.body.scrollLeft;
s += "/r/n网页正文部分上:"+ window.screenTop;
s += "/r/n网页正文部分左:"+ window.screenLeft;
s += "/r/n屏幕分辨率的高:"+ window.screen.height;
s += "/r/n屏幕分辨率的宽:"+ window.screen.width;
s += "/r/n屏幕可用工作区高度:"+ window.screen.availHeight;
s += "/r/n屏幕可用工作区宽度:"+ window.screen.availWidth;
//过滤数字
//特殊用途
//不缓存
//正则匹配
//无提示关闭
function Close()
{
var ua=navigator.userAgent
var ie=navigator.appName=="Microsoft Internet Explorer"?true:false
if(ie)
{
var IEversion=parseFloat(ua.substring(ua.indexOf("MSIE ")+5,ua.indexOf(";",ua.indexOf("MSIE "))))
if(IEversion< 5.5)
{
var str = '<object id=noTipClose classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'
str += '<param name="Command" value="Close"></object>';
document.body.insertAdjacentHTML("beforeEnd", str);
document.all.noTipClose.Click();
}
else
{
window.opener =null;
window.close();
}
}
else
{
window.close()
}
}
{
var ua=navigator.userAgent
var ie=navigator.appName=="Microsoft Internet Explorer"?true:false
if(ie)
{
var IEversion=parseFloat(ua.substring(ua.indexOf("MSIE ")+5,ua.indexOf(";",ua.indexOf("MSIE "))))
if(IEversion< 5.5)
{
var str = '<object id=noTipClose classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'
str += '<param name="Command" value="Close"></object>';
document.body.insertAdjacentHTML("beforeEnd", str);
document.all.noTipClose.Click();
}
else
{
window.opener =null;
window.close();
}
}
else
{
window.close()
}
}
//取得控件得绝对位置(1)
<script language="javascript">
function getoffset(e)
{
var t=e.offsetTop;
var l=e.offsetLeft;
while(e=e.offsetParent)
{
t+=e.offsetTop;
l+=e.offsetLeft;
}
var rec = new Array(1);
rec[0] = t;
rec[1] = l;
return rec
}
</script>
function getoffset(e)
{
var t=e.offsetTop;
var l=e.offsetLeft;
while(e=e.offsetParent)
{
t+=e.offsetTop;
l+=e.offsetLeft;
}
var rec = new Array(1);
rec[0] = t;
rec[1] = l;
return rec
}
</script>
//获得控件的绝对位置(2)
oRect = obj.getBoundingClientRect();
oRect.left
oRect.
oRect.left
oRect.
//最小化,最大化,关闭
<object id=min classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
<param name="Command" value="Minimize"></object>
<object id=max classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
<param name="Command" value="Maximize"></object>
<OBJECT id=close classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<PARAM NAME="Command" value="Close"></OBJECT>
<input type=button value="/最小化 onclick=min.Click()> "
<input type=button value="/最大化 onclick=max.Click()> "
<input type=button value="/关闭 onclick=close.Click()> "
<param name="Command" value="Minimize"></object>
<object id=max classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
<param name="Command" value="Maximize"></object>
<OBJECT id=close classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<PARAM NAME="Command" value="Close"></OBJECT>
<input type=button value="/最小化 onclick=min.Click()> "
<input type=button value="/最大化 onclick=max.Click()> "
<input type=button value="/关闭 onclick=close.Click()> "
<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="0">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="0">
<input type=button value=导入收藏夹 onclick="window.external.ImportExportFavorites(true,'http://localhost');">
<input type=button value=导出收藏夹 onclick="window.external.ImportExportFavorites(false,'http://localhost');">
<input type=button value=整理收藏夹 onclick="window.external.ShowBrowserUI('OrganizeFavorites', null)">
<input type=button value=语言设置 onclick="window.external.ShowBrowserUI('LanguageDialog', null)">
<input type=button value=加入收藏夹 onclick="window.external.AddFavorite('http://www.google.com/', 'google')">
<input type=button value=加入到频道 onclick="window.external.addChannel('http://www.google.com/')">
<input type=button value=加入到频道 onclick="window.external.showBrowserUI('PrivacySettings',null)">
<input type=button value=导出收藏夹 onclick="window.external.ImportExportFavorites(false,'http://localhost');">
<input type=button value=整理收藏夹 onclick="window.external.ShowBrowserUI('OrganizeFavorites', null)">
<input type=button value=语言设置 onclick="window.external.ShowBrowserUI('LanguageDialog', null)">
<input type=button value=加入收藏夹 onclick="window.external.AddFavorite('http://www.google.com/', 'google')">
<input type=button value=加入到频道 onclick="window.external.addChannel('http://www.google.com/')">
<input type=button value=加入到频道 onclick="window.external.showBrowserUI('PrivacySettings',null)">
<input type=text onkeypress="return event.keyCode>=48&&event.keyCode<=57||(this.value.indexOf('.')<0?event.keyCode==46:false)" onpaste="return !clipboardData.getData('text').match(//D/)" ondragenter="return false">
<script language="javascript">
function cc()
{
var e = event.srcElement;
var r =e.createTextRange();
r.moveStart('character',e.value.length);
r.collapse(true);
r.select();
}
</script>
<input type=text name=text1 value="123" onfocus="cc()">
function cc()
{
var e = event.srcElement;
var r =e.createTextRange();
r.moveStart('character',e.value.length);
r.collapse(true);
r.select();
}
</script>
<input type=text name=text1 value="123" onfocus="cc()">
匹配中文字符的正则表达式: [/u4e00-/u9fa5]
匹配双字节字符(包括汉字在内):[^/x00-/xff]
匹配空行的正则表达式:/n[/s| ]*/r
匹配HTML标记的正则表达式:/<(.*)>.*<///1>|<(.*) //>/
匹配首尾空格的正则表达式:(^/s*)|(/s*$)(像vbscript那样的trim函数)
匹配Email地址的正则表达式:/w+([-+.]/w+)*@/w+([-.]/w+)*/./w+([-.]/w+)*
匹配网址URL的正则表达式:http://([/w-]+/.)+[/w-]+(/[/w- ./?%&=]*)?
以下是例子:
利用正则表达式限制网页表单里的文本框输入内容:
用正则表达式限制只能输入中文:onkeyup="value="/value.replace(/["^/u4E00-/u9FA5]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/u4E00-/u9FA5]/g,''))"
1.用正则表达式限制只能输入全角字符: onkeyup="value="/value.replace(/["^/uFF00-/uFFFF]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/uFF00-/uFFFF]/g,''))"
2.用正则表达式限制只能输入数字:onkeyup="value="/value.replace(/["^/d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))"
3.用正则表达式限制只能输入数字和英文:onkeyup="value="/value.replace(/[/W]/g,"'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))"
匹配双字节字符(包括汉字在内):[^/x00-/xff]
匹配空行的正则表达式:/n[/s| ]*/r
匹配HTML标记的正则表达式:/<(.*)>.*<///1>|<(.*) //>/
匹配首尾空格的正则表达式:(^/s*)|(/s*$)(像vbscript那样的trim函数)
匹配Email地址的正则表达式:/w+([-+.]/w+)*@/w+([-.]/w+)*/./w+([-.]/w+)*
匹配网址URL的正则表达式:http://([/w-]+/.)+[/w-]+(/[/w- ./?%&=]*)?
以下是例子:
利用正则表达式限制网页表单里的文本框输入内容:
用正则表达式限制只能输入中文:onkeyup="value="/value.replace(/["^/u4E00-/u9FA5]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/u4E00-/u9FA5]/g,''))"
1.用正则表达式限制只能输入全角字符: onkeyup="value="/value.replace(/["^/uFF00-/uFFFF]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/uFF00-/uFFFF]/g,''))"
2.用正则表达式限制只能输入数字:onkeyup="value="/value.replace(/["^/d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))"
3.用正则表达式限制只能输入数字和英文:onkeyup="value="/value.replace(/[/W]/g,"'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))"
//消除图像工具栏
<IMG src="/"mypicture.jpg" HEIGHT="100px" WIDTH="100px" GALLERYIMG="false">
or
<head>
<meta http-equiv="imagetoolbar" content="no">
</head>
or
<head>
<meta http-equiv="imagetoolbar" content="no">
</head>
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