Function toNumber

Description

当且仅当sth为 [string|number] 类型时，会转成 number；其他类型直接输出为NaN

expect(toNumber(null)).toBe(NaN);
expect(toNumber("null")).toBe(NaN);
expect(toNumber(undefined)).toBe(NaN);
expect(toNumber("undefined")).toBe(NaN);
expect(toNumber(NaN)).toBe(NaN);
expect(toNumber("NaN")).toBe(NaN);
expect(toNumber(Infinity)).toBe(Infinity);
expect(toNumber("Infinity")).toBe(Infinity);
expect(toNumber(1e2)).toBe(100);
expect(toNumber("1e2")).toBe(100);

Since

1.4.8

Returns