tag could provide. NEGATIVE_INFINITY is a static property of the JavaScript Number object. How Is Infinity converted to Number in JavaScript? The negative infinity in JavaScript is a constant value which is used to represent a value which is the lowest available. The value of Number.NEGATIVE_INFINITY is the same as the negative value of the global object's Infinityproperty. If we multiply negative infinity with NaN, we will get NaN as a result. How to set the default value for an HTML