输入框景背景透明：

<input style="background:transparent;border:1px solid #ffffff">

鼠标划过输入框，输入框背景色变色：

<INPUT value="Type here" NAME="user_pass" TYPE="text" SIZE="29" οnmοuseοver="this.style.borderColor='black';this.style.backgroundColor='plum'" 

style="width: 106; height: 21" 

οnmοuseοut="this.style.borderColor='black';this.style.backgroundColor='#ffffff'" style="border-width:1px;border-color=black">

输入字时输入框边框闪烁(边框为小方型)：

<Script Language="JavaScript">

function borderColor(){

if(self['oText'].style.borderColor=='red'){

self['oText'].style.borderColor = 'yellow';

}else{

self['oText'].style.borderColor = 'red';

}

oTime = setTimeout('borderColor()',400);

}

</Script>

<input type="text" id="oText" style="border:5px dotted red;color:red" οnfοcus="borderColor(this);" οnblur="clearTimeout(oTime);">

输入字时输入框边框闪烁(边框为虚线)：

<style>

#oText{border:1px dotted #ff0000;ryo:expression(οnfοcus=function light (){with(document.all.oText){style.borderColor=(style.borderColor=="#ffee00"?"#ff0000":"#ffee00");timer=setTimeout(light,500);}},οnblur=function(){this.style.borderColor="#ff0000";clearTimeout(timer)})};

</style>

<input type="text" id="oText">

自动横向廷伸的输入框：

<input type="text" style="huerreson:expression(this.width=this.scrollWidth)" value="abcdefghijk">

自动向下廷伸的文本框：

<textarea name="content" rows="6" cols="80" onpropertychange="if(this.scrollHeight>80) this.style.posHeight=this.scrollHeight+5">输入几个回车试试</textarea>

只有下划线的文本框：

<input style="border:0;border-bottom:1 solid black;background:;">

软件序列号式的输入框：

<script for="T" event="onkeyup">

if(value.length==3)document.all[event.srcElement.sourceIndex+1].select();

</script>

<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T7" size="5" maxlength="3">

软件序列号式的输入框(完整版)：

<script for="T" event="onkeyup">if(value.length==maxLength)document.all[event.srcElement.sourceIndex+1].focus();</script>

<script for="T" event="onfocus">select();</script>

<script for="Submit" event="onclick">

var sn=new Array();

for(i=0;i<T.length;i++)

sn=T.value;

alert(sn.join("—"));

</script>

<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">

<input type="submit" name="Submit">