HTML 和 JavaScript 中带按钮的简单计算器
[英]Simple Calculator in HTML and JavaScript with buttons
问题描述
I have the following HTML and JavaScript code for a simple calculator.
我有以下 HTML 和 JavaScript 代码用于一个简单的计算器。
HTML: HTML：
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<script src="calculator.js" defer></script>
</head>
<body>
<h1>Calculator</h1>
First value: <input name="number1" type="text" size=10 id='num1'/>
<fieldset>
<label for "+">+</label>
<input type="radio" id="+" value ="+" name=calculation/>
<br>
<label for "+">-</label>
<input type="radio" id="-" value ="-" name=calculation/>
<br>
<label for "+">x</label>
<input type="radio" id="x" value ="x" name=calculation/>
<br>
<label for "+">÷</label>
<input type="radio" id="div" value ="div" name=calculation/>
</fieldset>
Second value: <input name="number2" type="text" size=10 id='num2'/> <input type="submit" value="compute" onclick=""/>
<br>
Result: <input id='result' readonly ></td>
</body>
</html>
And the result looks like this:结果如下所示：
However, I want to create something like this:但是，我想创建这样的东西：
Then it looks like I have to change the width for the radio buttons and change the color for the buttons.然后看起来我必须更改单选按钮的宽度并更改按钮的颜色。 And, how do I come up with the correct JavaScript code?而且，我如何想出正确的 JavaScript 代码？
2 个解决方案
解决方案1
0 2021-05-04 02:30:36
I have the following HTML and JavaScript code for a simple calculator.我有以下 HTML 和 JavaScript 代码用于一个简单的计算器。
HTML: HTML：
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<script src="calculator.js" defer></script>
</head>
<body>
<h1>Calculator</h1>
First value: <input name="number1" type="text" size=10 id='num1'/>
<fieldset>
<label for "+">+</label>
<input type="radio" id="+" value ="+" name=calculation/>
<br>
<label for "+">-</label>
<input type="radio" id="-" value ="-" name=calculation/>
<br>
<label for "+">x</label>
<input type="radio" id="x" value ="x" name=calculation/>
<br>
<label for "+">÷</label>
<input type="radio" id="div" value ="div" name=calculation/>
</fieldset>
Second value: <input name="number2" type="text" size=10 id='num2'/> <input type="submit" value="compute" onclick=""/>
<br>
Result: <input id='result' readonly ></td>
</body>
</html>
And the result looks like this:结果如下所示：
However, I want to create something like this:但是，我想创建这样的东西：
Then it looks like I have to change the width for the radio buttons and change the color for the buttons.然后看起来我必须更改单选按钮的宽度并更改按钮的颜色。 And, how do I come up with the correct JavaScript code?而且，我如何想出正确的 JavaScript 代码？
解决方案2
-1 2021-05-04 02:43:25
I have the following HTML and JavaScript code for a simple calculator.我有以下 HTML 和 JavaScript 代码用于一个简单的计算器。
HTML: HTML：
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<script src="calculator.js" defer></script>
</head>
<body>
<h1>Calculator</h1>
First value: <input name="number1" type="text" size=10 id='num1'/>
<fieldset>
<label for "+">+</label>
<input type="radio" id="+" value ="+" name=calculation/>
<br>
<label for "+">-</label>
<input type="radio" id="-" value ="-" name=calculation/>
<br>
<label for "+">x</label>
<input type="radio" id="x" value ="x" name=calculation/>
<br>
<label for "+">÷</label>
<input type="radio" id="div" value ="div" name=calculation/>
</fieldset>
Second value: <input name="number2" type="text" size=10 id='num2'/> <input type="submit" value="compute" onclick=""/>
<br>
Result: <input id='result' readonly ></td>
</body>
</html>
And the result looks like this:结果如下所示：
However, I want to create something like this:但是，我想创建这样的东西：
Then it looks like I have to change the width for the radio buttons and change the color for the buttons.然后看起来我必须更改单选按钮的宽度并更改按钮的颜色。 And, how do I come up with the correct JavaScript code?而且，我如何想出正确的 JavaScript 代码？
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