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网页不能复制的代码网站限制了复制和保存或者要加密的网页也可以用这个方法：bodyleftmargin=10topmargin=0marginheight=0marginwidth=0onmousemove='HideMenu()'oncontextmenu=returnfalseondragstart=returnfalseonselectstart=returnfalseonselect=document.selection.empty()oncopy=document.selection.empty()onbeforecopy=returnfalseonmouseup=document.selection.empty()noscriptiframesrc=*/iframe/noscript鼠标完全被封锁：在BODY里加上oncontextmenu1.oncontextmenu=window.event.returnvalue=false将彻底屏蔽鼠标右键tableborderoncontextmenu=return(false)tdno/table可用于Table2.bodyonselectstart=returnfalse取消选取、防止复制3.onpaste=returnfalse不准粘贴4.oncopy=returnfalse;oncut=returnfalse;防止复制5.linkrel=ShortcutIconhref=favicon.icoIE地址栏前换成自己的图标6.linkrel=Bookmarkhref=favicon.ico可以在收藏夹中显示出你的图标7.inputstyle=ime-mode:-Disabled关闭输入法8.永远都会带着框架scriptlanguage=javascript!--if(window==top)top.location.href=frames.htm;//frames.htm为框架网页//--/script9.防止被人frameSCRIPTLANGUAGE=javascript!--if(top.location!=self.location)top.location=self.location;//--/SCRIPT10.网页将不能被另存为noscriptiframesrc==buttonvalue=查看网页源代码onclick=window.location=`view-source:`+`;12.删除时确认ahref=`javascript:if(confirm(确实要删除吗?location=boos.asp?&areyou=删除&page=1`删除/a13.取得控件的绝对位置//javascriptscriptlanguage=javascriptfunctiongetIE(E){vart=e.offsetTop;varl=e.offsetLeft;while(e=e.offsetParent){t+=e.offsetTop;l+=e.offsetLeft;}alert(top=+t+/nleft=+l);}/script//VBScriptscriptlanguage=VBScript!--functiongetIE()dimt,l,a,bseta=document.all.img1t=document.all.img1.offsetTopl=document.all.img1.offsetLeftwhilea.tagNameBODYseta=a.offsetParentt=t+a.offsetTopl=l+a.offsetLeftwendmsgboxtop=&t&chr(13)&left=&l,64,得到控件的位置endfunction--/script14.光标是停在文本框文字的最后scriptlanguage=javascriptfunctioncc(){vare=event.srcElement;varr=e.createTextRange();r.moveStart(`character`,e.value.length);r.collapse(true);r.select();}/scriptinputtype=textname=text1value=123onfocus=cc()15.判断上一页的来源javascript:document.referrer16.最小化、最大化、关闭窗口objectid=hh1classid=clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11paramname=Commandvalue=Minimize/objectobjectid=hh2classid=clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11paramname=Commandvalue=Maximize/objectOBJECTid=hh3classid=clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11PARAMNAME=Commandvalue=Close/OBJECTinputtype=buttonvalue=最小化onclick=hh1.Click()inputtype=buttonvalue=最大化onclick=hh2.Click()inputtype=buttonvalue=关闭onclick=hh3.Click()本例适用于IE17.屏蔽功能键Shift,Alt,Ctrlscriptfunctionlook(){if(event.shiftKey)alert(禁止按Shift键!;//可以换成ALTCTRL}document.onkeydown=look;/script18.网页不会被缓存METAHTTP-EQUIV=pragmaCONTENT=no-cacheMETAHTTP-EQUIV=Cache-ControlCONTENT=no-cache,must-revalidateMETAHTTP-EQUIV=expiresCONTENT=Wed,26Feb199708:21:57GMT或者METAHTTP-EQUIV=expiresCONTENT=019.怎样让表单没有凹凸感？inputtype=textstyle=border:1solid#000000或inputtype=textstyle=border-left:none;border-right:none;border-top:none;border-bottom:1solid#000000/textarea20.divspan&layer的区别？div(division)用来定义大段的页面元素，会产生转行span用来定义同一行内的元素，跟div的唯一区别是不产生转行layer是ns的标记，ie不支持，相当于div21.让弹出窗口总是在最上面:bodyonblur=this.focus();22.不要滚动条?让竖条没有:bodystyle=`overflow:-Scroll;overflow-y:hidden`/body让横条没有:bodystyle=`overflow:-Scroll;overflow-x:hidden`/body两个都去掉？更简单了bodyscroll=no/body23.怎样去掉图片链接点击后，图片周围的虚线？ahref=#onFocus=this.blur()imgsrc=logo.jpgborder=0/a24.电子邮件处理提交表单formname=form1method=postaction=mailto:****@***.comenctype=text/plaininputtype=submit/form25.在打开的子窗口刷新父窗口的代码里如何写？window.opener.location.reload()26.如何设定打开页面的大小bodyonload=top.resizeTo(300,200);打开页面的位置bodyonload=top.moveBy(300,200);27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动stylebody{background-image:url(logo.gif);background-repeat:no-repeat;background-position:center;background-attachment:fixed}/style28.检查一段字符串是否全由数字组成scriptlanguage=javascript!--functioncheckNum(str){returnstr.match(//D/)==null}alert(checkNum(1232142141alert(checkNum(123214214a1//--/script29.获得一个窗口的大小document.body.clientWidth;document.body.clientHeight30.怎么判断是否是字符if(/[^/x00-/xff]/g.test(s))alert(含有汉字;elsealert(全是字符;31.TEXTAREA自适应文字行数的多少textarearows=1name=s1cols=27onpropertychange=this.style.posHeight=this.scrollHeight/textarea32.日期减去天数等于第二个日期scriptlanguage=javascriptfunctioncc(dd,dadd){//可以加上错误处理vara=newDate(dd)a=a.valueOf()a=a-dadd*24*60*60*1000a=newDate(A)alert(a.getFullYear()+年+(a.getMonth()+1)+月+a.getDate()+日}cc(12/23/2002,2)/script33.选择了哪一个RadioHTMLscriptlanguage=vbscriptfunctioncheckme()foreachobinradio1ifob.checkedthenwindow.alertob.valuenextendfunction/scriptBODYINPUTname=radio1type=radiovalue=stylecheckedstyleINPUTname=radio1type=radiovalue=barcodeBarcodeINPUTtype=buttonvalue=checkonclick=checkme()/BODY/HTML34.脚本永不出错SCRIPTLANGUAGE=javascript!--HidefunctionkillErrors(){returntrue;}window.onerror=killErrors;//--/SCRIPT35.ENTER键可以让光标移到下一个输入框inputonkeydown=if(event.keyCode==13)event.keyCode=936.检测某个网站的链接速度：把如下代码加入body区域中:scriptlanguage=javascripttim=1setInterval(tim++,100)b=1varaut