Предмет: Информатика,
автор: Аноним
Нужно написать калькулятор на javascript
Приложения:
Ответы
Автор ответа:
1
<html>
<head>
<meta charset="utf-8" />
<title>Калькулятор</title>
<style type="text/css">
#calculator * {font-size: 16px;}
#calculator table {border: solid 3px silver; border-spacing: 3px; background-color: #EEE; }
#calculator table td {border-spacing: 3px;}
input.display {width: 166px; text-align: right;}
td.buttons {border-top: solid 1px silver;}
input[type= button] {width: 40px; height: 30px;}
</style>
</head>
<body>
<form name="calc" id="calculator">
<table>
<tr>
<td>
<input type="text" name="input" size="16" class="display">
</td>
</tr>
<tr>
<td class="buttons">
<input type="button" name="one" value="1" OnClick="calc.input.value += '1'">
<input type="button" name="two" value="2" OnClick="calc.input.value += '2'">
<input type="button" name="three" value="3" OnClick="calc.input.value += '3'">
<input type="button" name="add" value="+" OnClick="calc.input.value += '+'">
<br>
<input type="button" name="four" value="4" OnClick="calc.input.value += '4'">
<input type="button" name="five" value="5" OnClick="calc.input.value += '5'">
<input type="button" name="six" value="6" OnClick="calc.input.value += '6'">
<input type="button" name="sub" value="-" OnClick="calc.input.value += '-'">
<br>
<input type="button" name="seven" value="7" OnClick="calc.input.value += '7'">
<input type="button" name="eight" value="8" OnClick="calc.input.value += '8'">
<input type="button" name="nine" value="9" OnClick="calc.input.value += '9'">
<input type="button" name="mul" value="x" OnClick="calc.input.value += '*'">
<br>
<input type="button" name="clear" value="c" OnClick="calc.input.value = ''">
<input type="button" name="zero" value="0" OnClick="calc.input.value += '0'">
<input type="button" name="doit" value="=" OnClick="calc.input.value = eval(calc.input.value)">
<input type="button" name="div" value="/" OnClick="calc.input.value += '/'">
</td>
</tr>
</table>
</form>
</body>
</html>
<head>
<meta charset="utf-8" />
<title>Калькулятор</title>
<style type="text/css">
#calculator * {font-size: 16px;}
#calculator table {border: solid 3px silver; border-spacing: 3px; background-color: #EEE; }
#calculator table td {border-spacing: 3px;}
input.display {width: 166px; text-align: right;}
td.buttons {border-top: solid 1px silver;}
input[type= button] {width: 40px; height: 30px;}
</style>
</head>
<body>
<form name="calc" id="calculator">
<table>
<tr>
<td>
<input type="text" name="input" size="16" class="display">
</td>
</tr>
<tr>
<td class="buttons">
<input type="button" name="one" value="1" OnClick="calc.input.value += '1'">
<input type="button" name="two" value="2" OnClick="calc.input.value += '2'">
<input type="button" name="three" value="3" OnClick="calc.input.value += '3'">
<input type="button" name="add" value="+" OnClick="calc.input.value += '+'">
<br>
<input type="button" name="four" value="4" OnClick="calc.input.value += '4'">
<input type="button" name="five" value="5" OnClick="calc.input.value += '5'">
<input type="button" name="six" value="6" OnClick="calc.input.value += '6'">
<input type="button" name="sub" value="-" OnClick="calc.input.value += '-'">
<br>
<input type="button" name="seven" value="7" OnClick="calc.input.value += '7'">
<input type="button" name="eight" value="8" OnClick="calc.input.value += '8'">
<input type="button" name="nine" value="9" OnClick="calc.input.value += '9'">
<input type="button" name="mul" value="x" OnClick="calc.input.value += '*'">
<br>
<input type="button" name="clear" value="c" OnClick="calc.input.value = ''">
<input type="button" name="zero" value="0" OnClick="calc.input.value += '0'">
<input type="button" name="doit" value="=" OnClick="calc.input.value = eval(calc.input.value)">
<input type="button" name="div" value="/" OnClick="calc.input.value += '/'">
</td>
</tr>
</table>
</form>
</body>
</html>
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