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Calculator
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<div class="navbar navbar-default navbar-static-top" id="mynavbar"> | |
<div class="container"> | |
<div class="navbar-header"> | |
<span class="navbar-brand"> | |
<span class="fa fa-calculator"></span> | |
Calculator | |
</span> | |
</div> | |
</div> | |
</div> | |
<div class="well console"> </div> | |
<table class="table text-center" style="margin-top:-20px"> | |
<tr> | |
<td class="empty"></td> | |
<td class="empty"></td> | |
<td class="empty"></td> | |
<td class="clear">Clear</td> | |
</tr> | |
<tr> | |
<td class="num">7</td> | |
<td class="num">8</td> | |
<td class="num">9</td> | |
<td class="op" rel="/">÷</td> | |
</tr> | |
<tr> | |
<td class="num">4</td> | |
<td class="num">5</td> | |
<td class="num">6</td> | |
<td class="op" rel="*">×</td> | |
</tr> | |
<tr> | |
<td class="num">1</td> | |
<td class="num">2</td> | |
<td class="num">3</td> | |
<td class="op" rel="-">−</td> | |
</tr> | |
<tr> | |
<td class="num">.</td> | |
<td class="num">0</td> | |
<td class="equalsTo">=</td> | |
<td class="op" rel="+">+</td> | |
</tr> | |
</table> |
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(function(){ | |
var arithmetic = []; | |
$('.clear').click(function(){ | |
$('.console').text(""); | |
arithmetic=[]; | |
}); | |
$('.num').click(function(){ | |
$('.console').append($(this).text()); | |
}); | |
$('.op').click(function(){ | |
var textInConsole = $('.console').text(); | |
if (textInConsole!=="") arithmetic.push(textInConsole); | |
$('.console').text(""); | |
var operator = $(this).attr("rel"); | |
var opPrev = arithmetic[arithmetic.length-1]; | |
if((operator==="*" || operator==="/") && (opPrev==="*" || opPrev==="/" )){ | |
$('.console').text("Syntax Error"); | |
} | |
if(operator!=="") arithmetic.push(operator); | |
}); | |
$('.equalsTo').click(function(){ | |
arithmetic.push($('.console').text()); | |
var joinArr = arithmetic.join(""); | |
console.log("This Prints out "+eval(joinArr)); | |
$('.console').text(eval(joinArr)); | |
arithmetic=new Array(); | |
}); | |
})(); |
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<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> |
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body{ | |
background-color: #333; | |
color: #fff; | |
font-family: 'ubuntu', cursive; | |
} | |
.navbar-default { | |
background-color: #3b94d9; | |
color: white; | |
border: none; | |
font-weight: 700; | |
} | |
.navbar-header .navbar-brand,.navbar-header .navbar-brand:hover{ | |
color: white; | |
/* font-weight: bold;*/ | |
} | |
.console{ | |
margin-top: -20px; | |
border-radius:0px; | |
background-color: rgba(0,0,0,0.6); | |
border: none; | |
text-align: right; | |
height: 58px; | |
} | |
td{ | |
padding: 40px !important; | |
} | |
.table > tbody > tr > td{ | |
border: 2px solid #333; | |
} | |
.table > tbody > tr > td:hover{ | |
background-color: #3b94d9; | |
cursor: pointer; | |
transition: ; | |
transition-delay: 0.1s; | |
} | |
.empty,.empty:hover{ | |
background-color: #333 !important; | |
} |
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<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" /> |
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