How to realize negative infinity in JavaScript

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In JavaScript, negative infinity refers to "- Infinity", which represents a number less than any finite number (a numerical value of negative infinity), and a value that is generally less than "- 1.7976931348623157E+103088" is negative infinity.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Infinity in JavaScript is a special number with interesting properties: it is larger than any finite number and is used to store values that represent positive infinity.

Negative infinity

And negative infinity refers to "- Infinity", which represents a numerical value of negative infinity.

In Javascript, a value that exceeds 1.7976931348623157E+103088 is Infinity, and a value less than-1.7976931348623157E+103088 is negative infinity (- Infinity).

Let's compare-Infinity with some limited numbers:

At the same time, negative infinity is less than positive infinity:

When using operands with different symbols, you may end up with negative infinity:

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