JavaScript Infinity Constant
 JavaScript 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.
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>
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The output of the code above will be:
Try it yourself »
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JavaScript Functions
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