java - Decimal floating point literal syntax in javascript -

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in java,

a decimal floating point literal(fpl) can either decimal fpl or hexadecimal fpl.

decimal fpl consists of, <digits>.<digits><exponentpart><f|f|d|d>, <exponentpart> consists of <e|e><+|-><digits> (the sign optional).

hexadecimal fpl consists of, <0x|0x><hexdigits><.><hexdigits><binaryexponent><f|f|d|d>, <binaryexponent> is, <p|p><+|-><digits> (sign optional).

what fpl notation in javascript?

note: beginner in js

in javascript there no formal type floating-point number there number type. number can have fraction or not.

from ecmascript 2015 standard

decimalliteral ::

decimalintegerliteral . decimaldigits(opt) exponentpart(opt) . decimaldigits exponentpart(opt) decimalintegerliteral exponentpart(opt)


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