1.把你的网站设置为浏览器的首页[code]<SPAN style="CURSOR: hand" οnclick="var strHref=window.location.href;this.style.behavior='url(#default#homepage)';this.setHomehttp://www.im286.com');">设为首页</SPAN>[/code]演示地址：http://www.leqw.com/tx/01.htm2.使你的滚动条变成彩色！（IE5.5以下版本无效）[code]请注意看滚动条的颜色<STYLE type=text/css>body { scrollbar-face-color: #b5daff; scrollbar-highlight-color: #ffffff; scrollbar-shadow-color: #000000; scrollbar-arrow-color: #0000ff; scrollbar-base-color: #6699ff; scrollbar-dark-shadow-color: #6699ff;}</STYLE>[/code]演示地址：http://www.leqw.com/tx/02.htm3.用IE登录FTP服务器[code]<SCRIPT janguage="javascript"><!--function goFtpSite() {document.location.href = "ftp://" + document.ftp.login.value + ":" + document.ftp.password.value + "@" + document.ftp.url.value;}//--></SCRIPT><FORM name=ftp> <table cellSpacing=1 cellPadding=1 width=304 align=center border=0> <tr> <td width=296> <table cellSpacing=0 cellPadding=5 width=292 align=center border=0> <tr bgColor=#b5e1ff> <td align=right width=75><FONT face=arial,helvetica color=#008080 size=-1>Ftp:// </FONT></td> <td width=193><FONT face=arial,helvetica size=-1> <Input style="BORDER-RIGHT: #0099ff 1px solid; BORDER-TOP: #0099ff 1px solid; BORDER-LEFT: #0099ff 1px solid; BORDER-BOTTOM: #0099ff 1px solid" size=30 name=url> </FONT></td> </tr> <tr bgColor=#ddf1ff> <td align=right width=75><FONT face=arial,helvetica color=#008080 size=-1>UserName: </FONT></td> <td width=193><FONT face=arial,helvetica size=-1> <Input style="BORDER-RIGHT: #0099ff 1px solid; BORDER-TOP: #0099ff 1px solid; BORDER-LEFT: #0099ff 1px solid; BORDER-BOTTOM: #0099ff 1px solid" maxLength=20 size=15 name=login> </FONT></td> </tr> <tr bgColor=#b5e1ff> <td align=right width=75><FONT face=arial,helvetica color=#008080 size=-1>Password: </FONT></td> <td width=193><FONT face=arial,helvetica size=-1> <Input style="BORDER-RIGHT: #0099ff 1px solid; BORDER-TOP: #0099ff 1px solid; BORDER-LEFT: #0099ff 1px solid; BORDER-BOTTOM: #0099ff 1px solid" type=password maxLength=20 size=15 name=password> </FONT></td> </tr> <tr bgColor=#ddf1ff> <td align=middle width=280 colSpan=2><FONT face=arial,helvetica size=-2> <Input style="BORDER-RIGHT: #0099ff 1px solid; BORDER-TOP: #0099ff 1px solid; BORDER-LEFT: #0099ff 1px solid; COLOR: #ffffff; BORDER-BOTTOM: #0099ff 1px solid; BACKGROUND-COLOR: #0099ff" οnclick=goFtpSite(); type=button value=登录> <Input style="BORDER-RIGHT: #0099ff 1px solid; BORDER-TOP: #0099ff 1px solid; BORDER-LEFT: #0099ff 1px solid; COLOR: #ffffff; BORDER-BOTTOM: #0099ff 1px solid; BACKGROUND-COLOR: #0099ff" type=reset value=重写> </FONT></td> </tr> </table> </td> </tr> </table></FORM>[/code]演示地址：http://www.leqw.com/tx/03.htm4.功能很全的精品计算器[code]<META http-equiv=Content-Language content=zh-cn><META http-equiv=Page-Enter content=blendTrans(Duration=0.5)><META http-equiv=Page-Exit content=blendTrans(Duration=0.5)><STYLE type=text/css>P {FONT-SIZE: 9pt; FONT-FAMILY: "Verdana"}TD {FONT-SIZE: 9pt; LINE-HEIGHT: normal}A {FONT-SIZE: 9pt; TEXT-TRANSFORM: none; COLOR: #326969; TEXT-DECORATION: none}A:hover {FONT-SIZE: 9pt; LEFT: 1px; COLOR: #0000ff; POSITION: relative; TOP: 1px; TEXT-DECORATION: none}BODY {FONT-SIZE: 9pt; CURSOR: url('body.cur'); SCROLLBAR-ARROW-COLOR: #ffffff; SCROLLBAR-BASE-COLOR: #cde0c2}.diary_tb {WIDTH: 100%; WORD-BREAK: break-all; FONT-FAMILY: "Verdana","宋体"; POSITION: relative; TEXT-ALIGN: center; WORD-WRAP: break-word}.diary_main {TABLE-LAYOUT: fixed; BACKGROUND-POSITION: left top; FONT-SIZE: 12px; COLOR: #005782; WORD-BREAK: break-all; LINE-HEIGHT: 24px; FONT-FAMILY: "宋体"; LINE-BREAK: strict; HEIGHT: 2px; TEXT-ALIGN: left}</STYLE><META content="MSHTML 6.00.2600.0" name=GENERATOR><CENTER> <table id=AutoNumber2 style="BORDER-COLLAPSE: collapse" borderColor=#808080 cellSpacing=0 cellPadding=0 width=760 border=0> </table><SCRIPT language=javascript> <!--var endNumber=truevar mem=0var carry=10var hexnum="0123456789abcdef"var angle="d"var stack=""var level="0"var layer=0//数字键function inputkey(key){var index=key.charCodeAt(0);if ((carry==2 && (index==48 || index==49))|| (carry==8 && index>=48 && index<=55)|| (carry==10 && (index>=48 && index<=57 || index==46))|| (carry==16 && ((index>=48 && index<=57) || (index>=97 && index<=102))))if(endNumber){endNumber=falsedocument.calc.display.value = key}else if(document.calc.display.value == null || document.calc.display.value == "0")document.calc.display.value = keyelsedocument.calc.display.value += key}function changeSign(){if (document.calc.display.value!="0")if(document.calc.display.value.substr(0,1) == "-")document.calc.display.value = document.calc.display.value.substr(1)elsedocument.calc.display.value = "-" + document.calc.display.value}//函数键function inputfunction(fun,shiftfun){endNumber=trueif (document.calc.shiftf.checked)document.calc.display.value=decto(funcalc(shiftfun,(todec(document.calc.display.value,carry))),carry)elsedocument.calc.display.value=decto(funcalc(fun,(todec(document.calc.display.value,carry))),carry)document.calc.shiftf.checked=falsedocument.calc.hypf.checked=falseinputshift()}function inputtrig(trig,arctrig,hyp,archyp){if (document.calc.hypf.checked)inputfunction(hyp,archyp)elseinputfunction(trig,arctrig)}//运算符function operation(join,newlevel){endNumber=truevar temp=stack.substr(stack.lastIndexOf("(")+1)+document.calc.display.valuewhile (newlevel!=0 && (newlevel<=(level.charAt(level.length-1)))){temp=parse(temp)level=level.slice(0,-1)}if (temp.match(/^(.*/d[/+/-/*///%/^/&/|x])?([+-]?[0-9a-f/.]+)$/))document.calc.display.value=RegExp.$2stack=stack.substr(0,stack.lastIndexOf("(")+1)+temp+joindocument.calc.operator.value=" "+join+" "level=level+newlevel}//括号function addbracket(){endNumber=truedocument.calc.display.value=0stack=stack+"("document.calc.operator.value=" "level=level+0layer+=1document.calc.bracket.value="(="+layer}function disbracket(){endNumber=truevar temp=stack.substr(stack.lastIndexOf("(")+1)+document.calc.display.valuewhile ((level.charAt(level.length-1))>0){temp=parse(temp)level=level.slice(0,-1)}document.calc.display.value=tempstack=stack.substr(0,stack.lastIndexOf("("))document.calc.operator.value=" "level=level.slice(0,-1)layer-=1if (layer>0)document.calc.bracket.value="(="+layerelsedocument.calc.bracket.value=""}//等号function result(){endNumber=truewhile (layer>0)disbracket()var temp=stack+document.calc.display.valuewhile ((level.charAt(level.length-1))>0){temp=parse(temp)level=level.slice(0,-1)}document.calc.display.value=tempdocument.calc.bracket.value=""document.calc.operator.value=""stack=""level="0"}//修改键function backspace(){if (!endNumber){if(document.calc.display.value.length>1)document.calc.display.value=document.calc.display.value.substring(0,document.calc.display.value.length - 1)elsedocument.calc.display.value=0}}function clearall(){document.calc.display.value=0endNumber=truestack=""level="0"layer=""document.calc.operator.value=""document.calc.bracket.value=""}//转换键function inputChangCarry(newcarry){endNumber=truedocument.calc.display.value=(decto(todec(document.calc.display.value,carry),newcarry))carry=newcarrydocument.calc.sin.disabled=(carry!=10)document.calc.cos.disabled=(carry!=10)document.calc.tan.disabled=(carry!=10)document.calc.bt.disabled=(carry!=10)document.calc.pi.disabled=(carry!=10)document.calc.e.disabled=(carry!=10)document.calc.kp.disabled=(carry!=10)document.calc.k2.disabled=(carry<=2)document.calc.k3.disabled=(carry<=2)document.calc.k4.disabled=(carry<=2)document.calc.k5.disabled=(carry<=2)document.calc.k6.disabled=(carry<=2)document.calc.k7.disabled=(carry<=2)document.calc.k8.disabled=(carry<=8)document.calc.k9.disabled=(carry<=8)document.calc.ka.disabled=(carry<=10)document.calc.kb.disabled=(carry<=10)document.calc.kc.disabled=(carry<=10)document.calc.kd.disabled=(carry<=10)document.calc.ke.disabled=(carry<=10)document.calc.kf.disabled=(carry<=10)}function inputChangAngle(angletype){endNumber=trueangle=angletypeif (angle=="d")document.calc.display.value=radiansToDegress(document.calc.display.value)elsedocument.calc.display.value=degressToRadians(document.calc.display.value)endNumber=true}function inputshift(){if (document.calc.shiftf.checked){document.calc.bt.value="deg "document.calc.ln.value="exp "document.calc.log.value="expd"if (document.calc.hypf.checked){document.calc.sin.value="ahs "document.calc.cos.value="ahc "document.calc.tan.value="aht "}else{document.calc.sin.value="asin"document.calc.cos.value="acos"document.calc.tan.value="atan"}document.calc.sqr.value="x^.5"document.calc.cube.value="x^.3"document.calc.floor.value="小数"}else{document.calc.bt.value="http://wangyeba.com"document.calc.ln.value=" ln "document.calc.log.value="log "if (document.calc.hypf.checked){document.calc.sin.value="hsin"document.calc.cos.value="hcos"document.calc.tan.value="htan"}else{document.calc.sin.value="sin "document.calc.cos.value="cos "document.calc.tan.value="tan "}document.calc.sqr.value="x^2 "document.calc.cube.value="x^3 "document.calc.floor.value="取整"}}//存储器部分function clearmemory(){mem=0document.calc.memory.value=" "}function getmemory(){endNumber=truedocument.calc.display.value=decto(mem,carry)}function putmemory(){endNumber=trueif (document.calc.display.value!=0){mem=todec(document.calc.display.value,carry)document.calc.memory.value=" M "}elsedocument.calc.memory.value=" "}function addmemory(){endNumber=truemem=parseFloat(mem)+parseFloat(todec(document.calc.display.value,carry))if (mem==0)document.calc.memory.value=" "elsedocument.calc.memory.value=" M "}function multimemory(){endNumber=truemem=parseFloat(mem)*parseFloat(todec(document.calc.display.value,carry))if (mem==0)document.calc.memory.value=" "elsedocument.calc.memory.value=" M "}//十进制转换function todec(num,oldcarry){if (oldcarry==10 || num==0) return(num)var neg=(num.charAt(0)=="-")if (neg) num=num.substr(1)var newnum=0for (var index=1;index<=num.length;index++)newnum=newnum*oldcarry+hexnum.indexOf(num.charAt(index-1))if (neg)newnum=-newnumreturn(newnum)}function decto(num,newcarry){var neg=(num<0)if (newcarry==10 || num==0) return(num)num=""+Math.abs(num)var newnum=""while (num!=0){newnum=hexnum.charAt(num%newcarry)+newnumnum=Math.floor(num/newcarry)}if (neg)newnum="-"+newnumreturn(newnum)}//表达式解析function parse(string){if (string.match(/^(.*/d[/+/-/*///%/^/&/|x/<])?([+-]?[0-9a-f/.]+)([/+/-/*///%/^/&/|x/<])([+-]?[0-9a-f/.]+)$/))return(RegExp.$1+cypher(RegExp.$2,RegExp.$3,RegExp.$4))elsereturn(string)}//数学运算和位运算function cypher(left,join,right){left=todec(left,carry)right=todec(right,carry)if (join=="+")return(decto(parseFloat(left)+parseFloat(right),carry))if (join=="-")return(decto(left-right,carry))if (join=="*")return(decto(left*right,carry))if (join=="/" && right!=0)return(decto(left/right,carry))if (join=="%")return(decto(left%right,carry))if (join=="&")return(decto(left&right,carry))if (join=="|")return(decto(left|right,carry))if (join=="^")return(decto(Math.pow(left,right),carry))if (join=="x")return(decto(left^right,carry))if (join=="<")return(decto(left<<right,carry))alert("除数不能为零")return(left)}//函数计算function funcalc(fun,num){with(Math){if (fun=="pi")return(PI)if (fun=="e")return(E)if (fun=="abs")return(abs(num))if (fun=="ceil")return(ceil(num))if (fun=="round")return(round(num))if (fun=="floor")return(floor(num))if (fun=="deci")return(num-floor(num))if (fun=="ln" && num>0)return(log(num))if (fun=="exp")return(exp(num))if (fun=="log" && num>0)return(log(num)*LOG10E)if (fun=="expdec")return(pow(10,num))if (fun=="cube")return(num*num*num)if (fun=="cubt")return(pow(num,1/3))if (fun=="sqr")return(num*num)if (fun=="sqrt" && num>=0)return(sqrt(num))if (fun=="!")return(factorial(num))if (fun=="recip" && num!=0)return(1/num)if (fun=="dms")return(dms(num))if (fun=="deg")return(deg(num))if (fun=="~")return(~num)if (angle=="d"){if (fun=="sin")return(sin(degressToRadians(num)))if (fun=="cos")return(cos(degressToRadians(num)))if (fun=="tan")return(tan(degressToRadians(num)))if (fun=="arcsin" && abs(num)<=1)return(radiansToDegress(asin(num)))if (fun=="arccos" && abs(num)<=1)return(radiansToDegress(acos(num)))if (fun=="arctan")return(radiansToDegress(atan(num)))}else{if (fun=="sin")return(sin(num))if (fun=="cos")return(cos(num))if (fun=="tan")return(tan(num))if (fun=="arcsin" && abs(num)<=1)return(asin(num))if (fun=="arccos" && abs(num)<=1)return(acos(num))if (fun=="arctan")return(atan(num))}if (fun=="hypsin")return((exp(num)-exp(0-num))*0.5)if (fun=="hypcos")return((exp(num)+exp(-num))*0.5)if (fun=="hyptan")return((exp(num)-exp(-num))/(exp(num)+exp(-num)))if (fun=="ahypsin" | fun=="hypcos" | fun=="hyptan"){alert("对不起,公式还没有查到!")return(num)}alert("超出函数定义范围")return(num)}}function factorial(n){n=Math.abs(parseInt(n))var fac=1for (;n>0;n-=1)fac*=nreturn(fac)}function dms(n){var neg=(n<0)with(Math){n=abs(n)var d=floor(n)var m=floor(60*(n-d))var s=(n-d)*60-m}var dms=d+m/100+s*0.006if (neg)dms=-dmsreturn(dms)}function deg(n){var neg=(n<0)with(Math){n=abs(n)var d=floor(n)var m=floor((n-d)*100)var s=(n-d)*100-m}var deg=d+m/60+s/36if (neg)deg=-degreturn(deg)}function degressToRadians(degress){return(degress*Math.PI/180)}function radiansToDegress(radians){return(radians*180/Math.PI)}//界面//--> </SCRIPT><div align=center><CENTER> <table id=AutoNumber2 style="BORDER-COLLAPSE: collapse" borderColor=#808080 cellSpacing=0 cellPadding=0 width=760 border=0> <tr> </tr> </table> <table id=AutoNumber5 style="BORDER-COLLAPSE: collapse" borderColor=#808080 height=30 cellSpacing=0 cellPadding=0 width="93%" border=0> <tr> <td align=middle width="100%" bgColor=#dbe8d2 height=30><P> <div align=center><FORM name=calc> <table height=250 width=500 border=0> <tr> <td bgColor=#ecf4ec height=50> <table width=500> <tr> <td width=486><div align=center><FONT face=Verdana> <Input readOnly size=67 value=0 name=display></FONT></div></td> </tr> </table> </td> </tr> <tr> <td bgColor=#ecf4ec> <table width=500> <tr> <td width=290><FONT face=Verdana> <Input οnclick=inputChangCarry(16) type=radio name=carry> 十六进制 <Input οnclick=inputChangCarry(10) type=radio CHECKED name=carry> 十进制 <Input οnclick=inputChangCarry(8) type=radio name=carry> 八进制 <Input οnclick=inputChangCarry(2) type=radio name=carry> 二进制 </FONT></td> <td></td> <td width=135><FONT face=Verdana> <Input οnclick="inputChangAngle('d')" type=radio CHECKED value=d name=angle> 角度制 <Input οnclick="inputChangAngle('r')" type=radio value=r name=angle> 弧度制 </FONT></td> </tr> </table> <table width=500> <tr> <td width=170><FONT face=Verdana> <Input οnclick=inputshift() type=checkbox value=ON name=shiftf>上档功能 <Input οnclick=inputshift() type=checkbox value=ON name=hypf>双曲函数 </FONT></td> <td><FONT face=Verdana> <Input style="BACKGROUND-COLOR: lightgrey" readOnly size=3 name=bracket> <Input style="BACKGROUND-COLOR: lightgrey" readOnly size=3 name=memory> <Input style="BACKGROUND-COLOR: lightgrey" readOnly size=3 name=operator> </FONT></td> <td width=183><FONT face=Verdana> <Input style="COLOR: red" οnclick=backspace() type=button value=" 退格 "> <Input style="COLOR: red" οnclick="document.calc.display.value = 0 " type=button value=" 清屏 "> <Input style="COLOR: red" οnclick=clearall() type=button value=" 全清"> </FONT></td> </tr> </table> <table width=500> <tr> <td> <table> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputfunction('pi','pi')" type=button value=" PI " name=pi> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputfunction('e','e')" type=button value=" E " name=e> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('dms','deg')" type=button value=d.ms name=bt> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick=addbracket() type=button value=" ( "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick=disbracket() type=button value=" ) "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('ln','exp')" type=button value=" ln " name=ln> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputtrig('sin','arcsin','hypsin','ahypsin')" type=button value="sin " name=sin> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="operation('^',7)" type=button value="x^y "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('log','expdec')" type=button value="log " name=log> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputtrig('cos','arccos','hypcos','ahypcos')" type=button value="cos " name=cos> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('cube','cubt')" type=button value="x^3 " name=cube> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('!','!')" type=button value=" n! "> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputtrig('tan','arctan','hyptan','ahyptan')" type=button value="tan " name=tan> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('sqr','sqrt')" type=button value="x^2 " name=sqr> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: #ff00ff" οnclick="inputfunction('recip','recip')" type=button value="1/x "> </FONT></td> </tr> </table> </td> <td width=30></td> <td> <table> <tr> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick=putmemory() type=button value=" 储存 "> </FONT></td> </tr> <tr> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick=getmemory() type=button value=" 取存 "> </FONT></td> </tr> <tr> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick=addmemory() type=button value=" 累存 "> </FONT></td> </tr> <tr> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick=multimemory() type=button value=" 积存 "> </FONT></td> </tr> <tr> <td height=33><FONT face=Verdana> <Input style="COLOR: red" οnclick=clearmemory() type=button value=" 清存 "> </FONT></td> </tr> </table> </td> <td width=30></td> <td> <table> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('7')" type=button value=" 7 " name=k7> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('8')" type=button value=" 8 " name=k8> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('9')" type=button value=" 9 " name=k9> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('/',6)" type=button value=" / "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('%',6)" type=button value=取余> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('&',3)" type=button value=" 与 "> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('4')" type=button value=" 4 " name=k4> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('5')" type=button value=" 5 " name=k5> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('6')" type=button value=" 6 " name=k6> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('*',6)" type=button value=" * "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="inputfunction('floor','deci')" type=button value=取整 name=floor> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('|',1)" type=button value=" 或 "> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('1')" type=button value=" 1 "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('2')" type=button value=" 2 " name=k2> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('3')" type=button value=" 3 " name=k3> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('-',5)" type=button value=" - "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('<',4)" type=button value=左移> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="inputfunction('~','~')" type=button value=" 非 "> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('0')" type=button value=" 0 "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick=changeSign() type=button value=+/-> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" οnclick="inputkey('.')" type=button value=" . " name=kp> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('+',5)" type=button value=" + "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick=result() type=button value=" ＝ "> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: red" οnclick="operation('x',2)" type=button value=异或> </FONT></td> </tr> <tr align=middle> <td><FONT face=Verdana> <Input style="COLOR: blue" disabled οnclick="inputkey('a')" type=button value=" A " name=ka> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" disabled οnclick="inputkey('b')" type=button value=" B " name=kb> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" disabled οnclick="inputkey('c')" type=button value=" C " name=kc> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" disabled οnclick="inputkey('d')" type=button value=" D " name=kd> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" disabled οnclick="inputkey('e')" type=button value=" E" name=ke> </FONT></td> <td><FONT face=Verdana> <Input style="COLOR: blue" disabled οnclick="inputkey('f')" type=button value=" F" name=kf> </FONT></td> </tr> </table> </td> </tr> </table> </td> </tr> </table></FORM></div> <CENTER></CENTER></td> </tr> </table></CENTER></div></CENTER>[/code]演示地址：http://www.leqw.com/tx/04.htm5.关闭窗口的链接，这虽然简单，但是用的却非常多[code]<a href="javascript:window.close()"><br>关闭窗口</a>[/code]演示地址：http://www.leqw.com/tx/05.htm6.检测浏览者所使用的显示器的分辨率，给出相应提示信息[code]<script language="JavaScript1.2"><!--var correctwidth=1024var correctheight=768if (screen.width!=correctwidth||screen.height!=correctheight)document.write("本站最佳分辨率: "+correctwidth+"*"+correctheight+". 你当前的分辨率是:"+screen.width+"*"+screen.height+"。设置合适的分辨率才能取得最佳的显示效果！")//--></script>[/code]演示地址：http://www.leqw.com/tx/06.htm7.自动检测IE所安装的各种插件，可以看看你的IE是否还可以[code]<script language="JavaScript"><!-- Hide this script from old browsers --var num_of_plugins = navigator.plugins.length;for (var i=0; i < num_of_plugins; i++) { var list_number=i+1; document.write("<font color=red>Plug-in No." + list_number + "- </font>"+navigator.plugins[i].name+" <br>[Location: " + navigator.plugins[i].filename + "]<p>"); }if (list_number>15) alert("/n哇!你有 " + list_number + " 种外挂程序!")else alert ("/n多找一些外挂程序吧! 你只有 "+ list_number + " 种外挂程序,有点逊!")// -- End Hiding Here --></script>[/code]演示地址：http://www.leqw.com/tx/07.htm8.控制输入框只能输入文字或数字，也可以不允许输入特殊字符[code]<form onSubmit="return false;">这里不允许输入如下字符: (像 !@#$%^&* 等)<br><textarea rows=2 cols=20 name=comments onKeypress="if ((event.keyCode > 32 && event.keyCode < 48) || (event.keyCode > 57 && event.keyCode < 65) || (event.keyCode > 90 && event.keyCode < 97)) event.returnValue = false;">[/code]演示地址：http://www.leqw.com/tx/08.htm9.显示一个页面中的所有链接，而且可以直接点击，很有用的[code]<script language="JavaScript1.2"><!--function extractlinks(){var links=document.all.tags("A")var total=links.lengthvar win2=window.open("","","menubar,scrollbars,toolbar")win2.document.write("<font size='2'>一共有"+total+"个连接</font><br>")for (i=0;i<total;i++){win2.document.write("<font size='2'>"+links[i].outerHTML+"</font><br>")}}//--></script><input type="button" onClick="extractlinks()" value="显示所有的连接">[/code]演示地址：http://www.leqw.com/tx/09.htm10.在输入框中输入内容，然后输入框消失，出现欢迎信息[code]<SCRIPT>if (document.layers) { document.writeln ('<STYLE>'); document.writeln (' .changeable { position: relative; }'); document.writeln ('<//STYLE>');}</SCRIPT><SCRIPT>function setElement (id, html) { if (document.layers) { var l = document[id]; if (!l.overLayer) { l.overLayer = new Layer(l.clip.width); l.overLayer.left = l.pageX; l.overLayer.top = l.pageY; l.visibility = 'hide'; l.overLayer.visibility = 'show'; } l.overLayer.document.open(); l.overLayer.document.write(html); l.overLayer.document.close(); } else if (document.all) { document.all[id].innerHTML = html; }}function changeNow() {var user = document.aForm.user.valuedocument.aForm.aField.value = "Welcome "+user+"";setElement ('someParagraph', document.aForm.aField.value);}var nw = "'";document.write('<FORM NAME="aForm">');document.write('<INPUT TYPE="hidden" NAME="aField" VALUE="">');document.write('<SPAN ID="someParagraph" CLASS="changeable">');document.write('<input type=text name=user size=5> <INPUT TYPE="button" VALUE="ok" ONCLICK="changeNow();">');document.write('</SPAN></form>');</SCRIPT>[/code]演示地址：http://www.leqw.com/tx/10.htm
11.检测访问者的来源，指出是从哪一个页面中来的[code]你来自:<BR><FONT COLOR="BLUE"><SCRIPT LANGUAGE="JAVASCRIPT">var where = document.referrerif (where == '') { document.write("a bookmark or by typing in my URL") } else { document.write(where) }</SCRIPT></FONT><P>[/code]演示地址：http://www.leqw.com/tx/11.htm12.使浏览者自己选择回退的页面数，也很有用的[code]<a href="javascript:history.go(-1)">1</a><a href="javascript:history.go(-2)">2</a><a href="javascript:history.go(-3)">3</a><a href="javascript:history.go(-4)">4</a><a href="javascript:history.go(-5)">5</a><a href="javascript:history.go(-6)">6</a><a href="javascript:history.go(-7)">7</a><a href="javascript:history.go(-8)">8</a><a href="javascript:history.go(-9)">9</a><a href="javascript:history.go(-10)">10</a>[/code]演示地址：http://www.leqw.com/tx/12.htm13.自己选择性地控制要打开的窗口的各种参数，是非常实用的脚本[code]<SCRIPT LANGUAGE="JAVASCRIPT"><!-- hide function customize(form) { var address = document.form1.url.value; var op_tool = (document.form1.tool.checked== true) ? 1 : 0; var op_loc_box = (document.form1.loc_box.checked == true) ? 1 : 0; var op_dir = (document.form1.dir.checked == true) ? 1 : 0; var op_stat = (document.form1.stat.checked == true) ? 1 : 0; var op_menu = (document.form1.menu.checked == true) ? 1 : 0; var op_scroll = (document.form1.scroll.checked == true) ? 1 : 0; var op_resize = (document.form1.resize.checked == true) ? 1 : 0; var op_wid = document.form1.wid.value; var op_heigh = document.form1.heigh.value; var option = "toolbar=" + op_tool + ",location=" + op_loc_box + ",directories=" + op_dir + ",status=" + op_stat + ",menubar=" + op_menu + ",scrollbars=" + op_scroll + ",resizeable=" + op_resize + ",width=" + op_wid + ",height=" + op_heigh; var win3 = window.open("", "what_I_want", option); var win4 = window.open(address, "what_I_want");}function clear(form){ document.form1.wid.value=""; document.form1.heigh.value="";}// done hiding --></SCRIPT><TABLE cellpadding=5 border><TR><TD><PRE> <FORM name=form1 ACTION="javascript:" METHOD="POST"><INPUT TYPE="text" NAME="url" value="http://www.mbsky.com" >: URL<INPUT TYPE="checkbox" NAME="tool">: Toolbar<INPUT TYPE="checkbox" NAME="loc_box">: Location<INPUT TYPE="checkbox" NAME="dir">: Directories<INPUT TYPE="checkbox" NAME="stat">: Status<INPUT TYPE="checkbox" NAME="menu">: Menubar<INPUT TYPE="checkbox" NAME="scroll">: Scrollbars<INPUT TYPE="checkbox" NAME="resize">: Resizable<INPUT TYPE="text" NAME="wid" value= >: Width<INPUT TYPE="text" NAME="heigh" value=>: Height<BR><CENTER><INPUT TYPE="button" VALUE="=ENTER=" OnClick="customize(this.form)"><INPUT TYPE="reset" VALUE="=RESET=" onClick="clear(this.form)"></PRE></TD></TR></TABLE></FORM>[/code]演示地址：http://www.leqw.com/tx/13.htm14.检测访问者的来源，指出是从哪一个页面中来的[code]<input type="button" value="落伍者" onClick="window.open('http://www.im286.com', 'Sample', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=yes,width=490,height=320,left=0,top=0')" name="Input">[/code]演示地址：http://www.leqw.com/tx/14.htm15.打开页面时跳出对话框，要你输入姓名，然后在页面上作出提示[code]<SCRIPT language="JavaScript"><!--var Firstname=prompt("您是光临本站的贵宾，请在贵宾簿里签名，让我知道您是谁！","网友");document.write("<h3><center>真诚欢迎您来访http://www.im286.com<BR><P>" + " ")document.write("<font color=red>"+Firstname +"</font>"+ "先生(小姐)</h3>");document.write("")//--></SCRIPT>[/code]演示地址：http://www.leqw.com/tx/15.htm16.记录页面的最后修改时间，这可是经常用的[code]<script language="JavaScript"><!--hide script from old browsersdocument.write("This page has been updated: " + document.lastModified + "")// end hiding --></script>[/code]演示地址：http://www.leqw.com/tx/16.htm17.点击一个链接，可以弹出一个对话框，问你是否把某站设为首页[code]<span οnclick="var strHref=window.location.href;this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.im286.com');" style="CURSOR: hand"><br>将本站设置为首页</a></span>[/code]演示地址：http://www.leqw.com/tx/17.htm18.离开一个页面时跳出一个警告框，作为提醒脚本用[code]<body bgcolor="#fef4d9" onUnload="window.alert('谢谢你的光临!欢迎下次再来!')">[/code]演示地址：http://www.leqw.com/tx/18.htm19.点击一个链接，就会弹出收藏夹对话框[code]<a href="javascript:window.external.AddFavorite('http://www.im286.com', '落伍者')">点击加入收藏夹</a>[/code]演示地址：http://www.leqw.com/tx/19.htm20.记录你的登陆次数，并根据你的登陆次数不同作出不同的提示信息[code]<SCRIPT language="JavaScript"><!--function getCookieVal(offset){var endstr=document.cookie.indexOf(";",offset);if(endstr==-1)endstr=document.cookie.length;return unescape(document.cookie.substring(offset,endstr));}function GetCookie(name){var arg=name+"=";var alen=arg.length;var clen=document.cookie.length;var i=0;while(i<clen){var j=i+alen;if(document.cookie.substring(i,j)==arg)return getCookieVal(j);i=document.cookie.indexOf(" ",i)+1;if(i==0)break;}return null;}function SetCookie(name,value){var argv=SetCookie.arguments;var argc=SetCookie.arguments.length;var expires=(2<argc)?argv[2]:null;var path=(3<argc)?argv[3]:null;var domain=(4<argc)?argv[4]:null;var secure=(5<argc)?argv[5]:false;document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");}function ResetCounts(name){visits=0;SetCookie("visits",visits,expdate,"/",null,false);location.reload();}//--></SCRIPT><SCRIPT language="JavaScript"><!--var expdate=new Date();var visits;//以下设置COOKIES时间为1年,自己随便设置该时间..expdate.setTime(expdate.getTime()+(24*60*60*1000*365));if(!(visits=GetCookie("visits")))visits=0;visits++;SetCookie("visits",visits,expdate,"/",null,false);//以下信息显示可以使用标准的HTML语法,自己随便设置。document.write("你已经光临本页"+"<FONT COLOR=red>"+visits+"</FONT>"+"次！");if(visits==1)//来访1次的信息显示document.write("<br>"+"欢迎光临本站，觉得本站内容如何？");if(visits==2)//来访2次的信息显示，以下类推，自己随便增加。document.write("<br>"+"再次光临不胜容幸!今后要常来啊！欢迎订阅本站邮件列表。");if(visits==3)document.write("<br>"+"常客，在本站的论坛发个帖子如何？");if(visits==4)document.write("<br>"+"你这个疯子!");if(visits>=5)document.write("<br>"+"疯狂的家伙!我真的非常喜欢你。");//--></SCRIPT>[/code]演示地址：http://www.leqw.com/tx/20.htm
