data conversion - Convert number to alphabet string (Javascript) -

i want convert number char like:

• if number = 1 a
• if number = 26 z
• if number = 27 aa
• if number = 676 zz
• if number = 456976 zzzz

tried find me did not had lucky. have sample using javascript?

thank you!

you need write loop, , mod (%) number 26 each time through , use following:

 string.fromcharcode(num + 64) // if num 1 result 'a'