Html实例.docVIP

正则表达式中的文字判断 Html 实例 数字 input onkeyup=value=value.replace(/[^\d]/g,) onbeforepaste=clipboardData.setData(text,clipboardData.getData(text).replace(/[^\d]/g,)) 字数字 input onkeyup=value=value.replace(/[\W]/g,) onbeforepaste=clipboardData.setData(text,clipboardData.getData(text).replace(/[^\d]/g,)) 汉子 input onkeyup=value=value.replace(/[^\u4E00-\u9FA5]/g,) onbeforepaste=clipboardData.setData(text,clipboardData.getData(text).replace(/[^\u4E00-\u9FA5]/g,)) IP地址输入html head meta http-equiv=Content-Type content=text/html; charset=gb2312 meta name=GENERATOR content=Microsoft FrontPage 4.0 meta name=ProgId content=FrontPage.Editor.Document style .a3{width:30;border:0;text-align:center} /style script function mask(obj){ obj.value=obj.value.replace(/[^\d]/g,) key1=event.keyCode if (key1==37 || key1==39) { obj.blur(); nextip=parseInt(.substr(2,1)) nextip=key1==37?nextip-1:nextip+1; nextip=nextip=5?1:nextip nextip=nextip=0?4:nextip eval(ip+nextip+.focus()) } if(obj.value.length=3) if(parseInt(obj.value)=256 || parseInt(obj.value)=0) { alert(parseInt(obj.value)+IP地址错误！) obj.value= obj.focus() return false; } else { obj.blur(); nextip=parseInt(.substr(2,1))+1 nextip=nextip=5?1:nextip nextip=nextip=0?4:nextip eval(ip+nextip+.focus()) } } function mask_c(obj) { clipboardData.setData(text,clipboardData.getData(text).replace(/[^\d]/g,)) } /script titleIP地址输入/title /head bodyIP地址输入 div style=border-width:1;border-color:balck;border-style:solid;width:165;font-size:9pt input type=text name=ip1 maxlength=3 class=a3 onkeyup=mask(this) onbeforepaste=mask_c(). input type=text name=ip2 maxlength=3 class=a3 onkeyup=mask(this) onbeforepaste=mask_c(). input type=text name=ip3 maxlength=3 class=a3 onkeyup=mask(this) onbeforepaste=mask_c(). input type=text name=ip4 maxlength=3 class=a3 onkeyup=mask(this) onbeforepaste=mask_c() /div /body /html 组合级联使用 select onchange=ok(this) id=aoption音乐option电影/select select id=b /select script function ok(objs){ if(objs.options[objs.selectedIndex].text==音乐)b.oute