Console.log output in javascript

Question

Why do console.log(00); and console.log(01); print 0 & 1 in the browser console and not 00 & 01?

console.log(00); // prints         


        

Answer 1

I did some research on it and found this solution.

Point 1 - If any number leading with zero will not always be considered as the decimal.

point 2 - A number leading with zero and do not contain 8 or 9 in remaining number will be considered as octal and converted to decimal when printing its value.

point 3 - A number leading with zero and contains 8 or 9 in remaining number will be considered as decimal value.

point 4 - 00 to 07 will not be converted to decimal as they are already in decimal.

var a = 07
console.log(a)  //// 7

var a = 08
console.log(a)  //// 8

var a = 016
console.log(a) //////14

var a = 018
console.log(a) //////18

var a = 078
console.log(a) //////78

var a = 077
console.log(a)  ////////63

var a = 096
console.log(a) /////96