简单的html语言计算器

简单的计算器源码如图：代码!DOCTYPEhtmlhtmlmetaname=content-typecontent=text/html;charset=UTF-8headstyletype=text/css!—这个是css样式--!input.MyButton{font-size:16px;background-color:#FF0;width:38px;height:28px;border-bottom-left-radius:7px;border-bottom-right-radius:7px;border-top-left-radius:7px;border-top-right-radius:7px}/stylescript!—这个是js函数--!varnumresult;varstr;functiononclicknum(nums){str=document.getElementById(MyText);str.value=str.value+nums;}functiononclickclear(){str=document.getElementById(MyText);str.value=;}functiononclickresult(){str=document.getElementById(MyText);numresult=eval(str.value);str.value=numresult;}/scriptmetahttp-equiv=Content-Typecontent=text/html;charset=utf-8/title我的计算器/title/headdivstyle=margin-top:5pxinputtype=textid=MyTextstyle=height:25px;width:170px/br/br/inputclass=MyButtontype=buttonvalue=1id=1onclick=onclicknum(1)/inputclass=MyButtontype=buttonId=2value=2onclick=onclicknum(2)/inputclass=MyButtontype=buttonvalue=3onclick=onclicknum(3)/inputclass=MyButtontype=buttonname=jianvalue=-onclick=onclicknum('-')/br/inputclass=MyButtontype=buttonname=fourvalue=4onclick=onclicknum(4)/inputclass=MyButtontype=buttonname=fivevalue=5onclick=onclicknum(5)/inputclass=MyButtontype=buttonname=sixvalue=6onclick=onclicknum(6)/inputclass=MyButtontype=buttonname=chenvalue=*onclick=onclicknum('*')/br/inputclass=MyButtontype=buttonname=seveenvalue=7onclick=onclicknum(7)/inputclass=MyButtontype=buttonname=eghitvalue=8onclick=onclicknum(8)/inputclass=MyButtontype=buttonname=ninevalue=9onclick=onclicknum(9)/inputclass=MyButtontype=buttonname=chuvalue=/onclick=onclicknum('/')/br/inputclass=MyButtontype=buttonname=zerovalue=0onclick=onclicknum(0)/inputclass=MyButtontype=buttonname=qinvalue=delonclick=onclickclear()/inputclass=MyButtontype=buttonname=allvalue==onclick=onclickresult()/inputclass=MyButtontype=buttonname=jiavalue=+onclick=onclicknum('+')//divbody/body/html