英[paʊ]
n.Head, ping (onomatopoeia for shooting, explosion, etc.)
javascript pow() method syntax
Function:Returns the value of x raised to the y power.
Syntax:Math.pow(x,y)
Parameters:x Required. base. Must be a number. y is required. Power number. Must be a number.
Return:x raised to the y power.
Description:If the result is an imaginary or negative number, this method will return NaN. If a floating point overflow occurs due to an exponent that is too large, this method returns Infinity.