如何在JavaScript中创建空值字符串？
要在JavaScript中创建空值字符串，您可以尝试运行以下代码-
示例
<html>
<head>
<script>
var val;
val = "";
document.write("Value: "+val);
document.write("<br>Type: "+typeof val);
</script>
</head>
<body>
</body>
</html>