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Copy pathDay 09 - Binary Calculator.js
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Day 09 - Binary Calculator.js
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JS:
var resultScreen=document.getElementById("res");
var result=0;
var operatorsSeq="";
function clickZero()
{
resultScreen.innerHTML+="0";
}
function clickOne()
{
resultScreen.innerHTML+="1";
}
function clickSum()
{
operatorSeq="+";
result=parseInt(resultScreen.innerHTML,2);
resultScreen.innerHTML+="+";
}
function clickSub()
{
operatorSeq="-";
resultScreen.innerHTML+="-";
}
function clickMul()
{
operatorSeq="*";
result=parseInt(resultScreen.innerHTML,2);
resultScreen.innerHTML+="*";
}
function clickDiv()
{
operatorSeq="/";
resultScreen.innerHTML+="/";
}
function clickEql()
{
var ans=0;
if(operatorSeq=='+')
{
var i =(resultScreen.innerHTML).indexOf("+");
var operand2=parseInt((resultScreen.innerHTML).substr(i+1),2);
ans =result+operand2;
}
else if(operatorSeq=='-')
{
var i =(resultScreen.innerHTML).indexOf("-");
var operand2=parseInt((resultScreen.innerHTML).substr(i+1),2);
ans =result-operand2;
}
else if(operatorSeq=='*')
{
var i =(resultScreen.innerHTML).indexOf("*");
var operand2=parseInt((resultScreen.innerHTML).substr(i+1),2);
ans =result*operand2;
}
else if(operatorSeq=='/')
{
var i =(resultScreen.innerHTML).indexOf("/");
var operand2=parseInt((resultScreen.innerHTML).substr(i+1),2);
ans =result/operand2;
}
resultScreen.innerHTML=ans.toString(2);
}
function clickClear()
{
resultScreen.innerHTML="";
}
CSS:
body{
width:33%;
}
#res{
background-color:lightgray;
border:solid;
height:48px;
font-size:20px;
}
#btn0,#btn1{
background-color:lightgreen;
color:brown;
}
#btnClr,#btnEql{
background-color:darkgreen;
color:white;
}
#btnSum,#btnSub,#btnMul,#btnDiv{
background-color:black;
color:red;
}
button{
width:25%;
height:36px;
font-size:18px;
margin:0px;
float:left;
}
HTML:
<!-- Enter your HTML code here -->
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="css/binaryCalculator.css" type="text/css">
<meta charset="utf-8">
<title>Binary Calculator</title>
</head>
<body>
<div id="res"></div>
<div id="btns">
<button id="btn0" onclick="clickZero()">0</button>
<button id="btn1" onclick="clickOne()">1</button>
<button id="btnClr" onclick="clickClear()">C</button>
<button id="btnEql" onclick="clickEql()">=</button>
<button id="btnSum" onclick="clickSum()">+</button>
<button id="btnSub" onclick="clickSub()">-</button>
<button id="btnMul" onclick="clickMul()">*</button>
<button id="btnDiv" onclick="clickDiv()">/</button>
</div>
<script src="js/binaryCalculator.js" type="text/javascript"></script>
</body>
</html>