修改js confirm alert 提示框文字的简单实例：
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <style> *{padding: 0; margin: 0;} html{ height: 100%; } body{ font-size: 16px; font-family: "Microsoft Yahei"; height: 100%; } h1,h2,h3{ font-weight: lighter; } a{ text-decoration: none; } #selfWinsow{ 60%; margin: 0 20%; background: #fff; position: fixed;top: 35%;border: 1px solid #ccc; padding: 0 2% 2% 2%; } #slefClose{ 25px; height: 25px; position: absolute;right: 1rem; top: 0.4rem; z-index: 9999; cursor: pointer; } #slefClose::after{ position: absolute; 30px; height: 30px; content: "×"; font-size: 2.5rem; line-height: 30px; } #selfWinsow h2{ font-size: 1rem; border-bottom: 1px solid #ccc; line-height: 100%; padding:1rem 0; } #selInfo{ font-size: 0.95rem; line-height: 2.1rem; padding: 0.5rem; } #selfBtBox{ padding: 1rem; margin: 0px auto; border: 1px solid #ccc; overflow: hidden; } .selfBt{ padding: 0.8rem 2%;background: #323434; color: #fff; float: left; line-height: 100%; text-align: center; cursor: pointer; } .selfBtDouble{ 46%; } .selfBtSingle{ color: #fff; 100%; padding: 0.8rem 0; } #selfOk{ background: #323434; } .selftalkNo{ float: left; position: relative; top: -5px; padding: 4px 10px; display: inline-block; margin-left: 5px; color: #000; } .selftalkOk{ float: right; position: relative; top: -5px; display: inline-block; margin-right: 5px; padding: 4px 10px; color: #fff; } #selfNo,#linkTo2{ background: #eeeeee; color: #555555 } #selfBack{ 100%; background: rgba(0,0,0,.6); } #selfInput{ display: block; 100%; padding: 0.5rem 0; border: 1px solid #eee; border-radius: 3px; margin-bottom: 1rem; text-indent: 0.6rem } #selfInput:focus{ border: 1px solid #087690; } </style> <title></title> <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> <!--<script type="text/javascript" src="SelfWindow.js"></script>--> <script> /* *selfWindow组建，主要是用于模拟移动网站的alert(),confirm()窗口点解某一按钮跳转到某一个页面的效果, *因为给予移动web，所以没有兼容低版本ie *调用方法：var win = new SelfWinsow({ * types : "confirm",//这里可以选择的参数有，alert,confirm,confirm2,link * slefTitle : "香送网温馨提示",//弹窗标题 * selfInfo : "Are you really to remove this tool?",//弹窗信息 * selfOk : "YES",//自定义确定按钮文字 * selfNo : "NO",//自定义否认按钮文字 * callback:fn,//当types为confirm,confirm2或者是talk时的回调函数，confirm为模拟 */ var SelfWinsow = function(settings){this.init(settings)}; SelfWinsow.prototype = { init:function(settings){ this.opts = { types : "", slefTitle : "", selfInfo : typeof settings == "string" ? settings : "if have any incorrect , and you will continue?", selfOk : "continue operator the deposit", selfNo : "back loading page" }; this.setting(settings); if(typeof settings == "string"){ this.opts.selfInfo == settings; } if(settings == "" || settings == undefined || settings == null){ this.selfAlert(); }else if(settings.types == "confirm"){ this.selfConfirm(); }else if(settings.types == "confirm2"){ this.selfConfirm2(); }else if(settings.types == "link"){ this.selfLink(); }else if(settings.types=="talk"){ this.selfMobileTalk(); }else{ this.selfAlert(); } }, //confirm窗口 selfConfirm:function(){ var _this = this; var html="<div id='selfWinsow'><div id='slefClose'></div><h2 id='slefTitle'>"+_this.opts.slefTitle+"</h2><p id='selInfo'>"+_this.opts.selfInfo+"</p><div id='selfOk' class='selfBt selfBtDouble'>"+_this.opts.selfOk+"</div><div id='selfNo' class='selfBt selfBtDouble'>"+_this.opts.selfNo+"</div></div>"; this.createMask(html); this.selfEvents(); }, //alert窗口 selfAlert:function(){ var _this = this; var html="<div id='selfWinsow'><div id='slefClose'></div><h2 id='slefTitle'>"+_this.opts.slefTitle+"</h2><p id='selInfo'>"+_this.opts.selfInfo+"</p><div id='selfOk' class='selfBt selfBtSingle'>"+_this.opts.selfOk+"</div></div>"; this.createMask(html); this.selfEvents(); }, selfConfirm2:function(){ var _this = this; var html="<div id='selfWinsow'><div id='slefClose'></div><h2 id='slefTitle'>"+_this.opts.slefTitle+"</h2><p id='selInfo'>"+_this.opts.selfInfo+"</p><div id='selfOk' class='selfBt selfBtSingle'>"+_this.opts.selfOk+"</div></div>"; this.createMask(html); this.selfEvents(); }, //带链接窗口 selfLink:function(){ var _this = this; var html="<div id='selfWinsow'><div id='slefClose'></div><h2 id='slefTitle'>"+_this.opts.slefTitle+"</h2><p id='selInfo'>"+_this.opts.selfInfo+"</p><a id='selfOk' href='"+_this.opts.linkTo1+"' class='selfBt selfBtDouble'>"+_this.opts.selfOk+"</a><a id='linkTo2' href='"+_this.opts.linkTo2+"' class='selfBt selfBtDouble'>"+_this.opts.selfNo+"</div></div>"; this.createMask(html); this.selfEvents(); }, selfMobileTalk:function(){ var _this = this; var html="<div id='selfWinsow' style='100%;margin:0px;top:0;left:0;padding:0; background:none;border:none;font-size:16px'><h2 style='text-align:center; background:#fff' id='slefTitle'><span id='selfNo' style='background:#fff;cursor: pointer;' class='selftalkNo'>"+_this.opts.selfNo+"</span>"+_this.opts.slefTitle+"<b id='selfOk' style='background:#fff;color:#ff0028;cursor: pointer;' class='selftalkOk'>"+_this.opts.selfOk+"</b></h2><textarea style='90%; border:1px solid #ccc; font-size:14px; display:block; margin:10px auto; height:120px' id='selfTextarea' placeholder='请填写您的特殊要求'></textarea></div>"; this.createMask(html); var selfBack = document.getElementById("selfBack"); selfBack.style.backgroundColor="#eee"; this.selfEvents(); }, //事件处理 selfEvents:function(){ this.selfOk(); var selfNo = document.getElementById('selfNo'); selfNo && this.slefNo(); }, //确定按钮事件 selfOk:function(){ var _this = this; var type = this.opts.types; var bt=true; var selfOk = document.getElementById("selfOk"); function selfOkFun(e){ var e = e || window.event; var el = e.scrElement || e.target; if (el.id == "selfOk" || el.tagName=="IMG") { if(type == "alert"){ _this.selfRemoveBack(); }else if(type == "confirm" || type == "talk" || "confirm2"){ if(bt){ _this.opts.callback(); }else{ return false; } _this.selfRemoveBack(); bt=false; } } } document.removeEventListener('click',selfOkFun,false); document.addEventListener('click',selfOkFun,false); }, //创建背景遮罩 createMask:function(html){ var selfBack = document.getElementById("selfBack"); if(selfBack){ return false; }else{ var selfBack=document.createElement('div'); selfBack.id = "selfBack"; selfBack.style.position = "fixed", selfBack.style.top = "0", selfBack.style.left = "0", selfBack.style.right = "0", selfBack.style.bottom = "0", document.body.appendChild(selfBack); selfBack.innerHTML = html; this.slefClose(); } }, //关闭按钮事件 slefClose:function(){ var _this = this; document.addEventListener('click',function(e){ var e = e || window.event; var el = e.scrElement || e.target; if(el.id == "slefClose"){ if(_this.opts.callback){ _this.opts.callback = function(){}; _this.selfRemoveBack(); return; } _this.selfRemoveBack(); } }); }, //拒绝或者否认按钮事件 slefNo:function(){ var _this = this; document.addEventListener('click',function(e){ var e = e || window.event; var el = e.scrElement || e.target; if(el.id == "selfNo" ||el.tagName == "IMG"){ if(_this.opts.callback){ _this.opts.callback = function(){}; _this.selfRemoveBack(); return; } _this.selfRemoveBack(); } }) }, //移除窗口功能 selfRemoveBack:function(){ try{ var selfBack = document.getElementById('selfBack') document.body.removeChild(selfBack); }catch(e){} }, //参数配置功能函数 exetends:function(a,b){ for( var attr in b){ a[attr] = b[attr]; } }, //参数配置以及重写 setting:function(settings){ this.exetends(this.opts,settings) }, } </script> <script> window.onload = function(){ var Ord1 = document.getElementById("rd1"); var Ord2 = document.getElementById("rd2"); var Otext = document.getElementById("text"); var Obtn = document.getElementById("btn"); var browser = navigator.appName; var getText = function(objText){ /*if(browser == 'Netscape'){ if(objText.indexOf("TextArea") > -1){ return objText.value; }else{ return objText.textContent; } }else if(browser == 'Microsoft Internet Explorer'){ return objText.innerText; }*/ return objText.value; } var text = getText(Otext); var len= text.length; Otext.disabled = true; /* Ord2.onclick = function(){ if(Ord2.checked){ //alert("ok"); if(len == 0){ var selfConfirm = new SelfWinsow({ types : "confirm", callback:function(){} }); //alert(selfConfirm); Otext.disabled = false; //Otext.onfocus; } } } Ord1.onclick = function(){ if(Ord1.checked){ Otext.disabled = true; Otext.value = ""; Otext.innerText = ""; Otext.textContent = ""; } } */ var aadEvent = function(e, type, target){ e = e || window.e; if(e.addEventListener){ e.addEventListener(type, function(){ if(e.id == 'rd2'){ target.disabled = false; var selfConfirm = new SelfWinsow({ slefTitle : "option tips for user", types : "confirm", selfInfo : typeof settings == "string" ? settings : "if have any incorrect , and you will continue?", selfOk : "continue operator the deposit", selfNo : "back loading page", callback:function(){} }); }else if(e.id == 'rd1'){ target.innerIext = ''; target.value = ''; target.textContent = ""; target.disabled = true; }else if(e.id == 'btn'){ var text = getText(target); var len= text.length; if(target.disabled==false && len == 0){ var selfConfirm = new SelfWinsow({ slefTitle : "option tips for user", types : "alert", selfInfo : typeof settings == "string" ? settings : "please input textarea content for customer", selfOk : "OK", callback:function(){} }); } } }, false); }else if(e.attachEvent){ e.attachEvent('on'+'type', function(){ if(e.id == 'rd2'){ target.disabled = false; var selfConfirm = new SelfWinsow({ types : "confirm", callback:function(){} }); }else if(e.id == 'rd1'){ target.innerIext = ''; target.value = ''; target.textContent = ""; target.disabled = true; } else if(e.id == 'btn'){ var text = getText(target); var len= text.length; if(target.disabled==false && len == 0){ var selfConfirm = new SelfWinsow({ slefTitle : "option tips for user", types : "alert", selfInfo : typeof settings == "string" ? settings : "please input textarea content for customer", selfOk : "OK", callback:function(){} }); } } }, false); } }; aadEvent(Ord2, 'click', Otext); aadEvent(Ord1, 'click', Otext); aadEvent(Obtn, 'click', Otext); } </script> </head> <body style="80%; margin: 20% auto;"> <form action="" method="get"> <input id="rd1" form="btn" type="radio" value="11111" name="radio" checked=true>first time purchase<br/><br/> <section style="float:left;"> <input id="rd2" form="btn" type="radio" value="22222" name="radio" >Alternate(s) offer:</section> <section style="float:left; margin:10px 10px"> <textarea id="text" form="btn" cols="30" rows="7" maxlength="100" style="600px;"></textarea> </section> </form> <footer style="clear:both; float:right; margin-right:10%;"> <input id="btn" name="btn" type="submit" value="Next" style="60px; height:30px"> </footer> </body> </html>
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