单选按钮：一般用在 HTML 表单中。当您需要从网站访问者那里收集一些数据时，需要 HTML 表单。当您只想从多个可用选项中选择一个选项时，可以使用单选按钮。
例子：
Radio Button
<title>
</head>
<body>
<form>
Do you agree this statement?
<br>
<input type="radio"
name="agree"
value="yes">Yes
<br>
<input type="radio"
name="agree"
value="no">No
<br>
<input type="Submit">
</form>
</body>
</html>
</code></pre>
</div>
<p><strong>输出：</strong> <br/><img alt="" class="img-fluid" src="https://mangodoc.oss-cn-beijing.aliyuncs.com/geek8geeks/Radio_Button_Vs_Checkbox_in_HTML_0.jpg"/></p>
<p><b>复选框：</b>复选框也主要用于 HTML 表单中。复选框允许您从选项列表中选择一个或多个选项。</p>
<p><b>例子：</b></p>
<p></p>
<div class="_ap_apex_ad" id="d6f45c53-ff16-4cc5-8b91-eb6ee7037116" style="min-height:280px"></div>
<p></p>
<div class="hcb_wrap">
<pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><html>
<head>
<title>
HTML Checkbox
<title>
</head>
<body>
<form>
Choose languages you know:
<br>
<input type="checkbox"
name="C"
value="yes">C
<br>
<input type="checkbox"
name="C++"
value="yes">C++
<br>
<input type="checkbox"
name="Java"
value="yes">Java
<br>
<input type="checkbox"
name="Python"
value="yes">Python
<br>
<input type="Submit">
</form>
</body>
</html>
</code></pre>
</div>
<p><strong>输出：</strong> <br/><img alt="" class="img-fluid" src="https://mangodoc.oss-cn-beijing.aliyuncs.com/geek8geeks/Radio_Button_Vs_Checkbox_in_HTML_1.jpg"/></p>
<p><b>单选按钮和复选框的区别</b></p>
<table>
<tr>
<th>Radio button</th>
<th>Checkbox</th>
</tr>
<tr>
<td>It is used when only one option to be selected out of several available options.</td>
<td>Checkbox allows one or many options to be selected.</td>
</tr>
<tr>
<td>It is created by using HTML <input> tag but type attribute is set to radio.</td>
<td>It is also created using HTML <input> tag but type attribute is set to checkbox.</td>
</tr>
<tr>
<td>It is a single control unit.</td>
<td>It is a multiple control unit.</td>
</tr>
<tr>
<td>Radio button is presented as a small circle on the screen.</td>
<td>Checkbox is presented as a small square box on the screen.</td>
</tr>
<tr>
<td>Radio button have only 2 states namely- True & False.</td>
<td>Checkbox have 3 states namely- Checked, unchecked & indeterminate.</td>
</tr>
<tr>
<td>It is used when you want to limit the users choice to just one option from the range provided.</td>
<td>It is used when you want to allow user to select multiple choices.</td>
</tr>
</table>
<div class="_ap_apex_ad" id="82d2079a-8120-480f-9fc7-5cda825d56e7" style="min-height:280px"></div>
<p></p></div>
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