1) Randomize the variable names for u, d, t, and a 2) Randomize the position of var XX = XX statements.
This will reduce simple regex replacements if you site is big enough with enough emails that someone would want to create a simple reg mod to harvest it.
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I recommend the above method plus:
1) Randomize the variable names for u, d, t, and a
2) Randomize the position of var XX = XX statements.
This will reduce simple regex replacements if you site is big enough with enough emails that someone would want to create a simple reg mod to harvest it.