๐ขInfinity
JS โฉ scope โฉ global โฉ global object โฉ property โฉ Infinity
( global object property )โ
a property of the global object. (that is, a variable in global scope).
initial value of Infinity is Number.POSITIVE_INFINITY.
Infinity is greater than any other number.
๐ฏ synonyms๏ผ "positive infinity"
Infinity
division by zero yields ยฑInfinity (no error)โ
converts to 0 when used as operands of bitwise operator.
๐ NaN - not a number.
โ ๏ธdivision (/) may result in Infinityโ
replit - JS: ยฑInfinity & ยฑ0
const M = Number.MAX_VALUE; // = 1.7976931348623157e+308 โ 2ยนโฐยฒโด
const D = Math.pow(2, 970); // 2โนโทโฐ
const d = Math.pow(2, 969); // 2โนโถโน
// -------- Infinity --------
1 / 0, // Infinity
-1 / 0, // -Infinity
Infinity === Number.POSITIVE_INFINITY, // true
-Infinity === Number.NEGATIVE_INFINITY, // true
3 + Infinity, // Infinity
3 / Infinity, // 0
-3 / Infinity, // -0
Infinity / Infinity, // NaN
// -------- Number.MAX_VALUE --------
M, // 1.7976931348623157e+308
// โญ๏ธ ๅช่ฆ M ็ๆๅพไธไฝ (2โนโทยน) ็ไธๅ = 2โนโทโฐ ๅฐฑ่ถณไปฅ่ฎ M ใ้ฒไฝใ่ฎๆ Infinity
M + D, // Infinity
// โญ๏ธ ๅๅฐ็่ฉฑ๏ผๅๆ่ขซ็ดๆฅใๆจๆฃใใ
M + d, // M
// -------- Number.MAX_SAFE_INTEGER --------
Number.MAX_SAFE_INTEGER, // 9007199254740991 = 2โตยณ - 1
Math.pow(2, 53) - 1, // 9007199254740991Last updated
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