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JavaScript Infinity Property
JavaScript Global Functions
Definition and Usage
Infinity is a numeric value that represents positive infinity.
-Infinity is a numeric value that represents negative infinity.
Infinity is displayed when a number exceeds the upper limit of the floating point numbers, which is 1.7976931348623157E+10308.
-Infinity is displayed when a number exceeds the lower limit of the floating point numbers, which is -1.7976931348623157E+10308.
Browser Support
The Infinity property is supported in all major browsers.
Example
Example
Display a number that exceeds the limit of the floating point numbers:
<script type="text/javascript">
var x=1.7976931348623157E+10308;
document.write(x + "<br />");
var y=-1.7976931348623157E+10308;
document.write(y);
</script>
var x=1.7976931348623157E+10308;
document.write(x + "<br />");
var y=-1.7976931348623157E+10308;
document.write(y);
</script>
The output of the code above will be:
Infinity
-Infinity
-Infinity
Try it yourself »
JavaScript Global Functions
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Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.