Baseline Widely available
Infinity
å
¨åå±¬æ§æ¯ä¸å代表ç¡éå¤§çæ¸å¼ã
const maxNumber = 10 ** 1000; // æå¤§æ£æ¸
if (maxNumber === Infinity) {
console.log("æå稱ä¹çºç¡é大ï¼");
// é æè¼¸åºï¼ãæå稱ä¹çºç¡é大ï¼ã
}
console.log(1 / maxNumber);
// é æè¼¸åºï¼0
å¼
è Number.POSITIVE_INFINITY
çæ¸å¼ç¸åã
Infinity
æ¯å
¨åç©ä»¶çä¸å屬æ§ãæå¥è©±èªªï¼å®æ¯ä¸åå¨å
¨åä½ç¨åä¸çè®æ¸ã
Infinity
ï¼æ£ç¡é大ï¼éå弿¯ä»»ä½å
¶ä»æ¸åé½å¤§ã
éåå¼çè¡çºèæ¸å¸ä¸çç¡éå¤§ç¥æä¸åï¼è©³æ
è«åè¦ Number.POSITIVE_INFINITY
ã
console.log(Infinity); /* Infinity */
console.log(Infinity + 1); /* Infinity */
console.log(10 ** 1000); /* Infinity */
console.log(Math.log(0)); /* -Infinity */
console.log(1 / Infinity); /* 0 */
console.log(1 / 0); /* Infinity */
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