有没有办法定义要在单选按钮的 HTML 表单中选择的默认值？
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时间：2020-08-29 12:42:08 来源:igfitidea点击:
Is there a way to define a default value to be selected in an HTML Form of Radio Buttons?
提问by wide_eyed_pupil
<body>
<form>
<input type="radio" name="amount" value="10"/>  
<input type="radio" name="amount" value="25"/>  
<input type="radio" name="amount" value="50"/>  
<input type="radio" name="amount" value="100"/> 0 
<input type="radio" name="amount" value="250"/> 0 
<input type="radio" name="amount" value="other"/> Other
</form>
</body>
To make the $50 option the default selection what HTML code would I use?
要使 $50 选项成为默认选择，我将使用什么 HTML 代码？
回答by stealthyninja
Just set it as checked:
只需将其设置为选中：
<body>
<form>
<input type="radio" name="amount" value="10"/>  
<input type="radio" name="amount" value="25"/>  
<input type="radio" name="amount" value="50" checked="checked" />  
<input type="radio" name="amount" value="100"/> 0 
<input type="radio" name="amount" value="250"/> 0 
<input type="radio" name="amount" value="other"/> Other
</form>
</body>
回答by Bhavin Vora
Just Simply Add
只需简单添加
checked="checked"
检查=“检查”
in a declaration of Button Which u want to be default Checked.
在 Button 的声明中，您希望默认选中该按钮。
回答by craigmj
<input type="radio" name="amount" value="50" checked="checked"/>
