1.取消按钮按下时的虚线框在input里添加属性值 hideFocus 或者 HideFocus=true2.只读文本框内容在input里添加属性值 readonly3.防止退后清空的TEXT文档(可把style内容做做为类引用)<INPUT style=behavior:url(#default#savehistory); type=text id=oPersistInput>4.ENTER键可以让光标移到下一个输入框<input onkeydown="if(event.keyCode==13)event.keyCode=9" >5.只能为中文(有闪动)<input onkeyup="value=value.replace(/[ -~]/g,'')" onkeydown="if(event.keyCode==13)event.keyCode=9">6.只能为数字(有闪动)<input onkeyup="value=value.replace(/[^\d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"> 7.只能为数字(无闪动)<input style="ime-mode:disabled" onkeydown="if(event.keyCode==13)event.keyCode=9" onKeyPress="if ((event.keyCode<48 || event.keyCode>57)) event.returnValue=false">8.只能输入英文和数字(有闪动)<input onkeyup="value=value.replace(/[\W]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"> 9.屏蔽输入法<input type="text" name="url" style="ime-mode:disabled" onkeydown="if(event.keyCode==13)event.keyCode=9">10. 只能输入 数字，小数点，减号（-） 字符(无闪动)<input onKeyPress="if (event.keyCode!=46 && event.keyCode!=45 && (event.keyCode<48 || event.keyCode>57)) event.returnValue=false">11. 只能输入两位小数，三位小数(有闪动)<input maxlength=9 onkeyup="if(value.match(/^\d{3}$/))value=value.replace(value,parseInt(value/10)) ;value=value.replace(/\.\d*\./g,'.')" onKeyPress="if((event.keyCode<48 || event.keyCode>57) && event.keyCode!=46 && event.keyCode!=45 || value.match(/^\d{3}$/) || /\.\d{3}$/.test(value)) {event.returnValue=false}" id=text_kfxe name=text_kfxe> 12.限制文本框输入字数<html><head><meta http-equiv="content-Type" content="text/html;charset=gb2312"><title> 限制文本框输入字数</title></head><body><script language="JavaScript">function www_zzjs_net(field, countfield, maxlimit) {if (field.value.length > maxlimit)field.value = field.value.substring(0,maxlimit);elsecountfield.value = maxlimit - field.value.length;}</script><form name="form" action="" method="post"><textarea class="editbox2" onkeydown="www_zzjs_net(this.form.memo,this.form.remLen,10)" onkeyup="www_zzjs_net(this.form.memo,this.form.remLen,10)" name="memo" cols="45" rows="8" wrap="on"></textarea><br>共可输入10字，还剩<input class="editbox1" readOnly maxLength="3" size="3" value="10" name="remLen">字。<br><input class="bottom" type="submit" value=" 提交 " name="submit"><input class="bottom" type="reset" value=" 重置 " name="reset"></form></body></html>
