html单选框怎么用js实现选中
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发布时间：2022-04-06 11:33
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时间：2022-04-06 13:02
<input type="radio" id="radioId" value="1" >
选中单选框JS代码：
var target = document.getElementById("radioId");
target.checked = true;
附完整代码：
<!DOCTYPE html>
<!--STATUS OK-->
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<meta http-equiv="content-type" content="text/html;charset=gbk" />
<meta property="wb:webmaster" content="3aababe5ed22e23c" />
<meta name="referrer" content="always" />
<title>demo</title>
</head>
<body>
<input type="radio" value="radio1" id="radio1" name="radio"/> <label for="radio1">RADIO 1</label>
<input type="radio" value="radio2" id="radio2" name="radio"/> <label for="radio2">RADIO 2</label>
<input type="radio" value="radio3" id="radio3" name="radio"/> <label for="radio3">RADIO 3</label>
<input type="radio" value="radio4" id="radio4" name="radio"/> <label for="radio4">RADIO 4</label>
<br/><br/>
<button onclick="selectRadio('radio1')">选中radio1</button>
<button onclick="selectRadio('radio2')">选中radio2</button>
<button onclick="selectRadio('radio3')">选中radio3</button>
<button onclick="selectRadio('radio4')">选中radio4</button>
<br/>
<br/>
</body>
<script type="text/javascript">
function selectRadio(radioId) {
var target = document.getElementById(radioId);
target.checked = true;
}
</script>
</html>
