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" onmouseover="this.style.borderColor=&#39;black&#39;;this.style.backgroundColor=&#39;plum&#39;"style="width: 106; height: 21"onmouseout="this.style.borderColor=&#39;black&#39;;this.style.backgroundColor=&#39;#ffffff&#39;" 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[&#39;oText&#39;].style.borderColor==&#39;red&#39;){self[&#39;oText&#39;].style.borderColor = &#39;yellow&#39;;}else{self[&#39;oText&#39;].style.borderColor = &#39;red&#39;;}oTime = setTimeout(&#39;borderColor()&#39;,400);}</ｓｃｒｉｐｔ><input type="text" id="oText" style="border:5px dotted red;color:red" onfocus="borderColor(this);" onblur="clearTimeout(oTime);">

输入字时输入框边框闪烁(边框为虚线)：

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<style>#oText{border:1px dotted #ff0000;ryo:expression_r(onfocus=function light (){with(document.all.oText){style.borderColor=(style.borderColor=="#ffee00"?"#ff0000":"#ffee00");timer=setTimeout(light,500);}},onblur=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_r(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">