Returns a string that is the encoded version of
Returns an encoded version of
component that is suitable as a uri parameter, such as a query string.
NaN is never equal to another
Number, even if it is
NaN, so you must use
isNaN to check for
x is not a Number, it is first converted to a Number before checking if it is NaN. Use
Number.isNaN(x) to prevent any conversion from happening. See also Object.is().
str into an integral number. If
base is not specified,
parseInt will attempt to determine the base to use depending on the input.
parseInt is more forgiving than
Number(str) (or equivalently
+str) in that it will ignore extra characters after the numeric portion of the string. If the first character is not a valid number in the specified
parseInt will return
NaN. See also Number.parseInt.