1、js计算器代码编写html，实现计算器页面视图效果。
2、js计算器代码编写，实现点击输入数字和符号输出结果。
3、js计算器代码创建click1函数，判断flag的值，如果是true就定位到第一个输入框，如果是false就定位到第二个输入框，将点击传过来的值与输入框里面的字符串拼接到一起。
4、js计算器代码定义result函数，定位到两个输入框，取出其中的值并转成整数，定位到隐藏输入框，取出里面的符号，然后判断是什么符号，进行相应的运算，弹出运算结果。
需要准备的材料分别有：电脑、浏览器、html编辑器。
1、首先，打开html编辑器，新建html文件，例如：index.html，输入问题基础代码。
2、在index.html中的<body>标签中，输入js代码：
function fun() {
alert('click success!')
}
3、浏览器运行index.html页面，此时点击按钮弹出了提示框。
弹窗代码js怎么改能弹出多个页面代码如下: //至强弹窗代码//容错脚本functionblockError(){returntrue}//当脚本出错时返回真window.onerror=blockErrorif(window.SymRealWinOpen){window.open=SymRealWinOpen}if(window.NS_ActualOpen){window.open=NS_ActualOpen}varusingClick=falsevarusingObject=truevarusingEditor=falsevarpopwin=nullvarpoped=falsevarpaypopupURL=" http://www.baidu.com"if(typeof(contextualAds)=='undefined'){varcontextualAds=''}if(!document.getElementById('paypopupScriptDiv')){document.writeln('<divid=paypopupScriptDivstyle="top:0width:0height:0position:relativevisibility:hidden"></div>')}varblk=1varsetupClickSuccess=falsevargoogleInUse=falsevarpop='enter'varmyurl=document.location.protocol "//" document.location.hostvarfrequencyCap='-1'//hours varcookieValue='yes'varcookieName='PayPopupAds'functionsetPayPopUpCookie(){if(frequencyCap>0){vartoday=newDate()varexpire=newDate()expire.setTime(today.getTime() 3600000*frequencyCap)document.cookie=cookieName "=" escape(cookieValue) "expires=" expire.toGMTString() "path=/"}elseif(frequencyCap==0){document.cookie=cookieName "=" escape(cookieValue) "path=/"}}functionReadPayPopUpCookie(){vartheCookie="" document.cookievarind=theCookie.indexOf(cookieName)if(ind==-1||cookieName=="")return""varind1=theCookie.indexOf('',ind)if(ind1==-1)ind1=theCookie.lengthreturnunescape(theCookie.substring(ind cookieName.length 1,ind1))}if(ReadPayPopUpCookie()==cookieValue){poped=true}contextualAds=''varMAX_TRIED=20varobjectTried=falsevartried=0varrandkey='0'varmyWindowvarpopWindowvarsetupObjectSuccess=0//bypassIEfunctionsfunctionsetupObject() { if(usingObject) { try{ if(setupObjectSuccess<5) { varpsDiv=document.getElementById('paypopupScriptDiv')if(psDiv) { psDiv.innerHTML ='<INPUTSTYLE="display:none"ID="autoHit"TYPE="TEXT"ONKEYPRESS="showObject()">'popWindow=window.createPopup()popWindow.document.body.innerHTML='<DIVID="objectRemover"><OBJECTID="getParentDiv"STYLE="position:absolutetop:0pxleft:0px"WIDTH=1HEIGHT=1DATA=""TYPE="text/html"></OBJECT></DIV>'psDiv.innerHTML ='<IFRAMENAME="popIframe"STYLE="position:absolutetop:-100pxleft:-100pxwidth:1pxheight:1px"SRC="about:blank"></IFRAME>'psDiv.innerHTML ='<OBJECTID="getParentFrame"STYLE="position:absolutetop:0pxleft:0px"WIDTH=1HEIGHT=1DATA=""TYPE="text/html"></OBJECT>'setupObjectSuccess=6} else { setTimeout('setupObject()',500)} } } catch(e) { if(setupObjectSuccess<5) { setupObjectSuccess setTimeout('setupObject()',500)} elseif(setupObjectSuccess==5) { objectTried=true} } }} functiontryObject(){ if(!objectTried
