web-html5-scripts/web-snippets/calculator-js/index.html

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<!DOCTYPE html>
<html lang="en" style="background-color: #cbdeff;">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Calculator</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="bg"></div>
<script src="script.js"></script>
<div class="main">
<form name="form">
<input class="textview" name="textview" />
</form>
<table>
<tr>
<td>
<input class="button" type="button" value="C" onclick="clean()" />
</td>
<td>
<input class="button" type="button" value="<" onclick="back()" />
</td>
<td>
<input
class="button"
type="button"
value="/"
onclick="insert('/')"
/>
</td>
<td>
<input
class="button"
type="button"
value="x"
onclick="insert('*')"
/>
</td>
</tr>
<tr>
<td>
<input
class="button"
type="button"
value="7"
onclick="insert(7)"
/>
</td>
<td>
<input
class="button"
type="button"
value="8"
onclick="insert(8)"
/>
</td>
<td>
<input
class="button"
type="button"
value="9"
onclick="insert(9)"
/>
</td>
<td>
<input
class="button"
type="button"
value="-"
onclick="insert('-')"
/>
</td>
</tr>
<tr>
<td>
<input
class="button"
type="button"
value="4"
onclick="insert(4)"
/>
</td>
<td>
<input
class="button"
type="button"
value="5"
onclick="insert(5)"
/>
</td>
<td>
<input
class="button"
type="button"
value="6"
onclick="insert(6)"
/>
</td>
<td>
<input
class="button"
type="button"
value="+"
onclick="insert('+')"
/>
</td>
</tr>
<tr>
<td>
<input
class="button"
type="button"
value="1"
onclick="insert(1)"
/>
</td>
<td>
<input
class="button"
type="button"
value="2"
onclick="insert(2)"
/>
</td>
<td>
<input
class="button"
type="button"
value="3"
onclick="insert(3)"
/>
</td>
<td rowspan="2">
<input
class="button"
style="height: 107px"
type="button"
value="="
onclick="equal()"
/>
</td>
</tr>
<tr>
<td colspan="2">
<input
class="button"
style="width: 107px"
type="button"
value="0"
onclick="insert(0)"
/>
</td>
<td>
<input
class="button"
type="button"
value="."
onclick="insert('.')"
/>
</td>
</tr>
</table>
</div>
</body>
</html>