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dz4 #9

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4aaccd7
first
ejuo Nov 15, 2012
7d5ed5e
cleanup
ejuo Nov 15, 2012
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82 changes: 82 additions & 0 deletions calculator.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,82 @@
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<title>dz4</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
<style>
body {
font: .8125em/1.5 Arial, sans-serif;
}
table
{
border: solid 1px #e8eef4;
}

table td
{
padding: 5px;
border: solid 1px #e8eef4;
}

input[type='button'] {
width: 40px;
height: 40px;
}

input.text {
width: 210px;
padding: 5px;
text-align: right;
}
</style>
<script>
$(document).ready(function () {
$('input.in').click(function () {
$('.text').val(calculator.text.value.replace(/^0+/, ''));
$('.text').val($('.text').val() + $(this).val());
});
$('input.C').click(function () {
$('.text').val('0');
});
$('input.result').click(function () {
$('.text').val(eval($('.text').val()));
if ($('.text').val() == Infinity) $('.text').val("Деление на ноль невозможно");
});
});
</script>
</head>
<body>
<form name="calculator">
<table>
<tr>
<td colspan="4"><input type="text" name="text" class="text" value="0" readonly></td>
</tr>
<tr>
<td><input class="in" type="button" value="7"></td>
<td><input class="in" type="button" value="8"></td>
<td><input class="in" type="button" value="9"></td>
<td><input class="in" type="button" value="/"></td>
</tr>
<tr>
<td><input class="in" type="button" value="4"></td>
<td><input class="in" type="button" value="5"></td>
<td><input class="in" type="button" value="6"></td>
<td><input class="in" type="button" value="*"></td>
</tr>
<tr>
<td><input class="in" type="button" value="1"></td>
<td><input class="in" type="button" value="2"></td>
<td><input class="in" type="button" value="3"></td>
<td><input class="in" type="button" value="+"></td>
</tr>
<tr>
<td><input class="C" type="button" value="c"></td>
<td><input class="in" type="button" value="0"></td>
<td><input class="result" type="button" value="="></td>
<td><input class="in" type="button" value="-"></td>
</tr>
</table>
</form>
</body>
</html>