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Is identical to, in value and in type, not to be confused with ==, meaning identical in value only.
3===3 would return true, 3 and 3 are both numbers.
3==3 would return true, 3 is the same as 3.
3==="3" would return false, 3 is a number and "3" is a string.
3=="3" would return true, 3 ihas the same value as 3.
by Alec Wright June 26, 2006
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