惯用JavaScript代码 _JavaScript

常用JavaScript代码

事件源对象?
event.srcElement.tagName?
event.srcElement.type?
捕获释放?
event.srcElement.setCapture();??
event.srcElement.releaseCapture();??
事件按键?
event.keyCode?
event.shiftKey?
event.altKey?
event.ctrlKey?
事件返回值?
event.returnValue?
鼠标位置?
event.x?
event.y?
窗体活动元素?
document.activeElement?
绑定事件?
document.captureEvents(Event.KEYDOWN);?
访问窗体元素?
document.all("txt").focus();?
document.all("txt").select();?
窗体命令?
document.execCommand?
窗体COOKIE?
document.cookie?
菜单事件?
document.oncontextmenu?
创建元素?
document.createElement("SPAN");??
根据鼠标获得元素：?
document.elementFromPoint(event.x,event.y).tagName=="TD?
document.elementFromPoint(event.x,event.y).appendChild(ms)??
窗体图片?
document.images[索引]?
窗体事件绑定?
document.onmousedown=scrollwindow;?
元素?
document.窗体.elements[索引]?
对象绑定事件?
document.all.xxx.detachEvent('onclick',a);?
插件数目?
navigator.plugins?
取变量类型?
typeof($js_libpath) == "undefined"?
下拉框?
下拉框.options[索引]?
下拉框.options.length?
查找对象?
document.getElementsByName("r1");?
document.getElementById(id);?
定时?
timer=setInterval('scrollwindow()',delay);?
clearInterval(timer);?
UNCODE编码?
escape() ,unescape?
父对象?
obj.parentElement(dhtml)?
obj.parentNode(dom)?
交换表的行?
TableID.moveRow(2,1)?
替换CSS?
document.all.csss.href = "a.css";?
并排显示?
display:inline?
隐藏焦点?
hidefocus=true?
根据宽度换行?
style="word-break:break-all"?
自动刷新?
<meta HTTP-EQUIV="refresh" CONTENT="8;URL=http://c98.yeah.net">?
简单邮件?
<a??href="mailto:aaa@bbb.com?subject=ccc&body=xxxyyy">??
快速转到位置?
obj.scrollIntoView(true)?
锚?
<a name="first">?
<a href="#first">anchors</a>?
网页传递参数?
location.search();?
可编辑?
obj.contenteditable=true?
执行菜单命令?
obj.execCommand?
双字节字符?
/[^\x00-\xff]/?
汉字?
/[\u4e00-\u9fa5]/?
让英文字符串超出表格宽度自动换行?
word-wrap: break-word; word-break: break-all;?
透明背景?
<IFRAME src="1.htm" width=300 height=180 allowtransparency></iframe>?
获得style内容?
obj.style.cssText?
HTML标签?
document.documentElement.innerHTML?
第一个style标签?
document.styleSheets[0]?
style标签里的第一个样式?
document.styleSheets[0].rules[0]?
防止点击空链接时，页面往往重置到页首端。?
<a href="BLOCKED SCRIPTfunction()">word</a>?
上一网页源?
asp:?
request.servervariables("HTTP_REFERER")?
BLOCKED SCRIPT?
document.referrer?
释放内存?
CollectGarbage();?
禁止右键?
document.oncontextmenu = function() { return false;}?
禁止保存?
<noscript><iframe src="*.htm"></iframe></noscript>?
禁止选取<body oncontextmenu="return false" ondragstart="return false" onselectstart ="return false" onselect="document.selection.empty()" oncopy="document.selection.empty()" onbeforecopy="return false"onmouseup="document.selection.empty()>??
禁止粘贴?
<input type=text onpaste="return false">?
地址栏图标?
<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?
收藏栏图标?
<link rel="Bookmark" href="favicon.ico">?
查看源码?
<input type=button value=查看网页源代码 onclick="window.location = 'view-source:'+ 'http://www.csdn.net/'">?
关闭输入法?
<input style="ime-mode:disabled">?
自动全选?
<input type=text name=text1 value="123" onfocus="this.select()">?
ENTER键可以让光标移到下一个输入框?
<input onkeydown="if(event.keyCode==13)event.keyCode=9">?
文本框的默认值?
<input type=text value="123" onfocus="alert(this.defaultValue)">?
title换行?
obj.title = "123&#13sdfs&#32"?
获得时间所代表的微秒?
var n1 = new Date("2004-10-10".replace(/-/g, "\/")).getTime()?
窗口是否关闭?
win.closed?
checkbox扁平?
<input type=checkbox style="position: absolute; clip:rect(5px 15px 15px 5px)"><br>?
获取选中内容?
document.selection.createRange().duplicate().text?
自动完成功能?
<input??type=text??autocomplete=on>打开该功能??
<input??type=text??autocomplete=off>关闭该功能????
窗口最大化?
<body onload="window.resizeTo(window.screen.width - 4,window.screen.height-50);window.moveTo(-4,-4)">?
无关闭按钮IE?
window.open("aa.htm", "meizz", "fullscreen=7");?
统一编码/解码?
alert(decodeURIComponent(encodeURIComponent("http://你好.com?as= hehe")))?
encodeURIComponent对":"、"/"、";" 和 "?"也编码?
表格行指示?
<tr onmouseover="this.bgColor='#f0f0f0'" onmouseout="this.bgColor='#ffffff'">