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分享document.getElementById('input').value = '当前地址是:' + '换行回车 这里怎么写?' + location.href; document.getElementById('input').value = '当前地址是:' + \r\n + location.href;
var input = document.createElement('input');
input.value = '当前地址是:';
var sw = document.getElementById('tpsw');
sw.parentNode.insertBefore(input, sw);
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>test</title>
</head>
<body>
<input type="text" name="" size="100" style="width: 120px;height: 80px;word-break:break-all" id="input1"/>
<textarea name="" id="input2" cols="30" rows="10"></textarea>
<script type="text/javascript">
document.getElementById('input1').value = '当前地址是:\r\n' + '' + location.href;
document.getElementById('input2').value = '当前地址是:\r\n' + '' + location.href;
</script>
</body>
</html>