After seeing this answer in a Code Golf challenge, I found out about this:
console.log("0x" + "e" - 0); // 14How does it happen?
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1-0 casts the string into the number - like "14"-0 would – mplungjan Jan 21 '17 at 11:09
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1Have a look at this for clarification http://stackoverflow.com/questions/57803/how-to-convert-decimal-to-hex-in-javascript – Shoaib Konnur Jan 21 '17 at 11:18
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console.log(0xe) // results 14 – Hemant Jan 21 '17 at 11:23