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..., back from the days when no one could do this stuff but the engineers who invented it because it's basically a secret code that only the creators know until they share it. – JamisonMan111 Jun 21 '18 at 5:47 ...

...ue rather than just the month number; to get this to work you now need to 'invent' a date/time value. Think the solution from leoinfo was a bit more relevant – schizoid04 Jun 4 '18 at 19:51 ...

... Logging libraries You could use logging libraries instead of re-inventing the wheel. Log4j for instance will provide methods for different messages like info(), warn() and error(). Homemade methods or simply make a println method of your own and call it: void println(Object line) { Sy...

...jQuery do it like all the other answers. Although this would work, it's re-inventing the wheel. – Peter Apr 4 '13 at 18:33 15 ...

... our stackOverflow account handle and we've made a whole bunch of money by inventing time travel, but that is beside the point. I just wanted to say, "Thanks", this little note helped me out. – isaacdre Oct 11 '18 at 0:54 ...

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... you need to check a variable against undefined value, there is no need to invent any special method, since JavaScript has a typeof operator, which is simple, fast and cross-platform: if (typeof value === "undefined") { // ... } It returns a string indicating the type of the variable or other...

... I feel like this should be the accepted answer. Why re-invent the wheel? – Zack Aug 4 '14 at 16:54 2 ...