The Number.NEGATIVE_INFINITY property of the Number object represents the negative infinity value.
Syntax
Its Syntax is as follows
Number.NEGATIVE_INFINITY
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var result = Number.NEGATIVE_INFINITY;
document.write("Negative infinity value: " + result);
</script>
</body>
</html>Output
Negative infinity value: -Infinity