JavaScript will parse a string until it gets to an character it can't parse and then return the value. In this example, by parsing hexadecimal, we get f in the first example, fa in the second, but nothing in the third because s isn't a valid hex character.
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JavaScript
JavaScript will parse a string until it gets to an character it can't parse and then return the value. In this example, by parsing hexadecimal, we get
f
in the first example,fa
in the second, but nothing in the third becauses
isn't a valid hex character.