JS implementation of the calculator

Last Update:2017-02-28 Source: Internet

Author: User

Tags pow square root

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JS implementation of the calculator, the following code:

 
 
  
  
  <%@ Page language= "C #" autoeventwireup= "true" codefile= "Calc.aspx.cs" inherits= "Calc"%>
  
  
  
  
  
  <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
  
  
  
  
  
  
  
  
  
  
  
  <title>js Calculator-Www.cxybl.com</title>
  
  
  <style type= "Text/css" >
  
  
  . style1
  
  
  {
  
  
  width:22%;
  
  
  }
  
  
  #Button1
  
  
  {
  
  
  height:41px;
  
  
  width:60px;
  
  
  }
  
  
  #Button2
  
  
  {
  
  
  height:41px;
  
  
  width:60px;
  
  
  }
  
  
  #Button3
  
  
  {
  
  
  height:41px;
  
  
  width:63px;
  
  
  }
  
  
  #Button4
  
  
  {
  
  
  height:41px;
  
  
  width:64px;
  
  
  }
  
  
  #Button5
  
  
  {
  
  
  height:41px;
  
  
  width:57px;
  
  
  }
  
  
  #Button6
  
  
  {
  
  
  height:41px;
  
  
  width:61px;
  
  
  }
  
  
  #Button7
  
  
  {
  
  
  height:41px;
  
  
  width:64px;
  
  
  }
  
  
  #Button8
  
  
  {
  
  
  height:41px;
  
  
  width:64px;
  
  
  }
  
  
  #Button9
  
  
  {
  
  
  height:41px;
  
  
  width:62px;
  
  
  }
  
  
  #Button10
  
  
  {
  
  
  height:41px;
  
  
  width:63px;
  
  
  }
  
  
  #Button11
  
  
  {
  
  
  height:41px;
  
  
  width:67px;
  
  
  }
  
  
  #Button12
  
  
  {
  
  
  height:41px;
  
  
  width:64px;
  
  
  }
  
  
  #Button13
  
  
  {
  
  
  height:41px;
  
  
  width:61px;
  
  
  }
  
  
  #Button14
  
  
  {
  
  
  height:41px;
  
  
  width:59px;
  
  
  }
  
  
  #Button15
  
  
  {
  
  
  height:41px;
  
  
  width:67px;
  
  
  }
  
  
  #Button16
  
  
  {
  
  
  height:41px;
  
  
  width:65px;
  
  
  }
  
  
  #Text1
  
  
  {
  
  
  width:258px;
  
  
  height:38px;
  
  
  }
  
  
  . style2
  
  
  {
  
  
  width:62px;
  
  
  }
  
  
  #Button17
  
  
  {
  
  
  height:41px;
  
  
  width:61px;
  
  
  }
  
  
  #Button18
  
  
  {
  
  
  height:41px;
  
  
  width:63px;
  
  
  }
  
  
  #Button19
  
  
  {
  
  
  height:41px;
  
  
  width:67px;
  
  
  }
  
  
  #Button20
  
  
  {
  
  
  height:41px;
  
  
  width:62px;
  
  
  }
  
  
  </style>
  
  
  <script language= "javascript" type= "Text/javascript" >
  
  
  var num;
  
  
  function Btntext (num) {
  
  
  document.getElementById (' Text1 '). Value + = document.getElementById (num). value;
  
  
  }//a text box to assign a value
  
  
  function ev () {
  
  
  document.getElementById (' Text1 '). Value = eval (document.getElementById (' Text1 '). Value);
  
  
  }//Calculate the expression within the text box
  
  
  function Clear () {
  
  
  document.getElementById (' Text1 '). Value = 0;
  
  
  //bar contents of text box clear 0
  
  
  function SQRT () {
  
  
  var disp = document.getElementById (' Text1 ');
  
  
  Disp.value = Math.sqrt (Disp.value);
  
  
  
  
  
  }//Open Radical Root
  
  
  
  
  
  function Pow () {
  
  
  var disp = document.getElementById (' Text1 ');
  
  
  Disp.value = Math.pow (Disp.value, 2);
  
  
  }//Square
  
  
  Function del () {
  
  
  var disp = document.getElementById (' Text1 ');
  
  
  Dispdisp.value = disp.value.substring (0, Disp.value.length-1)
  
  
  }//Delete
  
  
  </script>
  
  
  
  
  
  <body>
  
  
  <form id= "Form1" runat= "Server" >
  
  
  <div>
  
  
  <table align= "center" class= "Style1"
  
  
  Style= "Background-color: #C0C0C0; height:291px; " >
  
  
  <tr>
  
  
  <TD colspan= "4" style= "Background-color: #00FFFF; Text-align:center; " >
  
  
  <input id= "Text1" type= "text"/></td>
  
  
  </tr>
  
  
  <tr>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "+" type= "button" value= "+" onclick= "btntext (' + ')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "1" type= "button" value= "1" name= ' 1 ' onclick= "Btntext (' 1 ')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "2" type= "button" value= "2" onclick= "Btntext (' 2 ')"/></td>
  
  
  <TD class= "Style2" style= "Background-color: #00FFFF" >
  
  
  <input id= "3" type= "button" value= "3" onclick= "Btntext (' 3 ')"/></td>
  
  
  </tr>
  
  
  <tr>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "-" type= "button" value= "-" onclick= "Btntext ('-')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "4" type= "button" value= "4" onclick= "Btntext (' 4 ')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "5" type= "button" value= "5" onclick= "Btntext (' 5 ')"/></td>
  
  
  <TD class= "Style2" style= "Background-color: #00FFFF" >
  
  
  <input id= "6" type= "button" value= "6" onclick= "Btntext (' 6 ')"/></td>
  
  
  </tr>
  
  
  <tr>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "*" type= "button" value= "*" onclick= "btntext (' * ')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "7" type= "button" value= "7" onclick= "Btntext (' 7 ')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "8" type= "button" value= "8" onclick= "Btntext (' 8 ')"/></td>
  
  
  <TD class= "Style2" style= "Background-color: #00FFFF" >
  
  
  <input id= "9" type= "button" value= "9" onclick= "Btntext (' 9 ')"/></td>
  
  
  </tr>
  
  
  <tr>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "/" type= "button" value= "/" onclick= "btntext ('/')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "0" type= "button" value= "0" onclick= "Btntext (' 0 ')"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "." Type= "button" value= "." Style= "Font-weight:bold" onclick= "Btntext ('. ') /></td>
  
  
  <TD class= "Style2" style= "Background-color: #00FFFF" >
  
  
  <input id= "Button16" type= "button" value= "=" onclick= "ev ()"/></td>
  
  
  </tr>
  
  
  <tr>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= ' square root ' type= ' button ' value= ' √ ' onclick= ' SQRT () '/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "Square" type= "button" value= "²" onclick= "Pow ()"/></td>
  
  
  <TD style= "Background-color: #00FFFF" >
  
  
  <input id= "Button19" type= "button" value= "C" onclick= "Clear ()"/></td>
  
  
  <TD class= "Style2" style= "Background-color: #00FFFF" >
  
  
  <input id= "Button20" type= "button" value= "←" onclick= "del ()"/></td>
  
  
  </tr>
  
  
  </table>
  
  
  </div>
  
  
  </form>
  
  
  </body>

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