Infinity global variable JS Home  <<  JS Reference  <<  Infinity

• <<    Function
• isFinite()     >>

The JavaScript global variable Infinity is a numeric value that represents +/- infinity.

• Initial value is the same as Number.POSITIVE_INFINITY.
• Negative infinity is the same as Number.NEGATIVE_INFINITY.

Examples

The following code illustrates Infinity.

// Initial value.
alert(Infinity); 

// Negative infinity.
alert(-Infinity); 

Related Tutorials

JavaScript Advanced Tutorials - Lesson 3 - Number

• <<    Function
• isFinite()     >>