Hola JS Challenge - make strftime 50x faster

Make strftime 50x faster than original JS, and 25% faster than GNU libc strftime.

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Results and winners

The table is also available here.

baseline (original)	324	114	212	326	118	201	216.67	215.00	215.83	×1.00	100.00%
siranthony	6605	2858	2700	6516	2900	2696	4054.33	4037.33	4045.83	×18.75	1874.52%	Second place
ibnrubaxa	902	471	512	842	467	544	628.33	617.67	623.00	×2.89	288.65%
rzcoder	160	226	208	178	231	231	198.00	213.33	205.67	×0.95	95.29%
newbiecraft	5636	1113	2383	5680	1200	2459	3044.00	3113.00	3078.50	×14.26	1426.33%	Close to third
mapostol	2608	1620	1658	2605	1658	1455	1962.00	1906.00	1934.00	×8.96	896.06%
smitterz	1405	1056	454	1411	1052	461	971.67	974.67	973.17	×4.51	450.89%
lordblackfox	3564	2036	2047	3584	2090	2026	2549.00	2566.67	2557.83	×11.85	1185.10%
an12345	1685	745	1016	1937	914	828	1148.67	1226.33	1187.50	×5.50	550.19%
lexich121	4249	2714	2369	4233	2711	2513	3110.67	3152.33	3131.50	×14.51	1450.89%	Third place
sergii.shpak	15088	13097	12440	15384	12928	12787	13541.67	13699.67	13620.67	×63.11	6310.73%	Winner
kuchumovn	867	847	822	895	811	811	845.33	839.00	842.17	×3.90	390.19%
sairi.na.tenshi	942	843	602	801	902	569	795.67	757.33	776.50	×3.60	359.77%
juliasoft	2268	762	763	2361	803	768	1264.33	1310.67	1287.50	×5.97	596.53%
karol_wegrzycki	317	186	201	319	183	195	234.67	232.33	233.50	×1.08	108.19%
azazel	2877	922	1861	2481	996	2223	1886.67	1900.00	1893.33	×8.77	877.22%
dm.ashurov	4024	2191	2087	3927	2270	2131	2767.33	2776.00	2771.67	×12.84	1284.17%
nikitin.alexandr	3607	1752	1855	3617	1803	1848	2404.67	2422.67	2413.67	×11.18	1118.30%
trialforlife	293	111	190	290	104	183	198.00	192.33	195.17	×0.90	90.42%
autarc	778	303	343	674	280	324	474.67	426.00	450.33	×2.09	208.65%	Special prize
	Test 1	Test 2	Test 3	Test 1	Test 2	Test 3	Run 1 avg	Run 2 avg	Result avg	Faster than baseline	Faster (%)
	Run 1			Run 2