EN: Check whether it is a right number.
ZH: 判断是否有效数字。
Usage:
const ret1 = isNumber(123);const ret2 = isNumber('123');// Default: NaN, Infinity is not Numberconst ret3 = isNumber(Infinity);const ret4 = isNumber(Infinity, { isInfinityAsNumber: true });const ret5 = isNumber(NaN);const ret6 = isNumber(NaN, { isNaNAsNumber: true, isInfinityAsNumber: true });console.log(ret1, ret2, ret3, ret4, ret5, ret6); Copy
const ret1 = isNumber(123);const ret2 = isNumber('123');// Default: NaN, Infinity is not Numberconst ret3 = isNumber(Infinity);const ret4 = isNumber(Infinity, { isInfinityAsNumber: true });const ret5 = isNumber(NaN);const ret6 = isNumber(NaN, { isNaNAsNumber: true, isInfinityAsNumber: true });console.log(ret1, ret2, ret3, ret4, ret5, ret6);
Output:
true false false true false true Copy
true false false true false true
被判断的值
true 是数字
EN: Check whether it is a right number.
ZH: 判断是否有效数字。
Usage:
Output: