Possible Duplicate:
Is JavaScript’s math broken?
If the main difference between Javascript’s “strict comparison” operators and the traditional ones is type coercion, why does
0.1+0.2===0.3;
return false?
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In Firefox and Chrome,
0.1 + 0.2is0.30000000000000004, which is not equal to0.3. This is presumably caused by it not being possible to represent0.1exactly as a floating point number.