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NEGATIVE_INFINITYProperty represents the negative infinity value.
The value of Number.NEGATIVE_INFINITY is the same as the global object'sInfinityThe negative value of the property is the same.
Because NEGATIVE_INFINITY is a static property of Number, you should always use it asNumber.NEGATIVE_INFINITYInstead of using it as an attribute of the created Number object.
Number.NEGATIVE_INFINITY
Number.NEGATIVE_INFINITY;Testez et voyez‹/›
The behavior of the return value is slightly different from mathematical infinity:
Any positive value (including POSITIVE_INFINITY) multiplied by NEGATIVE_INFINITY is NEGATIVE_INFINITY
Any negative value (including NEGATIVE_INFINITY) multiplied by NEGATIVE_INFINITY is POSITIVE_INFINITY
Any positive value divided by NEGATIVE_INFINITY is negative zero
Any negative value divided by NEGATIVE_INFINITY is positive zero
Zero multiplied by NEGATIVE_INFINITY is NaN
NaN multiplié par NEGATIVE_INFINITY donne NaN
Diviser tout autre nombre négatif par NEGATIVE_INFINITY donne POSITIVE_INFINITY
NEGATIVE_INFINITY divisé par tout autre nombre positif, donne NEGATIVE_INFINITY
Diviser par NEGATIVE_INFINITY ou POSITIVE_INFINITY donne NaN
Tous les navigateurs supportent intégralement la propriété NEGATIVE_INFINITY :
Propriété | |||||
NEGATIVE_INFINITY | Oui | Oui | Oui | Oui | Oui |
Écrivable : | Non |
---|---|
Enumerable : | Non |
Configurable : | Non |
Valeur de retour : | -Infinity |
Version JavaScript : | ECMAScript 1 |
Retourne NEGATIVE_INFINITY lors du débordement :
var num = -5 / 0;Testez et voyez‹/›