/Ruby/Square every digit of a number ruby

Square every digit of a number ruby

If we run 9119 through the function, 811181 will come out, because 92 is 81 and 12 is 1.

function squareDigits(num){
    return Number(('' + num).split('').map(function (val) { return val * val;}).join(''));
}

Source: stackoverflow.com

Square every digit of a number ruby

number = 12345
number.to_s.chars.map { |num| num.to_i ** 2 }.join.to_i
# convert number to string (.to_s), convert string to array (.chars)
# .map each array element to the result of a block call. 
# .join array into string & convert back to integer.

Similar codes

0 vote244 views5 answers
Roblox.com redeem robux codes
Ruby
1 vote227 views1 answer
Ruby hash includes key
Ruby
1 vote238 views1 answer
Add key and value to hash ruby
Ruby
1 vote260 views1 answer
Ruby min 2 numbers
Ruby
6 votes522 views4 answers
Iterate over array ruby
Ruby
0 vote272 views1 answer
Rails transactions
Ruby
25 votes381 views8 answers
Robux
Ruby
0 vote244 views1 answer
Ruby raise to power
Ruby
0 vote296 views1 answer
* 16**index position in ruby
Ruby
0 vote233 views1 answer
Rails print number with space
Ruby