Question

How to replace all ‘0’ int a number with specific digit in JavaScript

Answer 1

function convert_0_To_n__(number, d) { 
    if (number === 0) 
        return 0; 
   
    var digit = number % 10; 
    if (digit === 0) 
        digit = d; 
   
    return convert_0_To_n__(Math.trunc(number / 10), d) * 10 + digit; 
} 
function convert_0_To_n(number, d) { 
    if (number === 0) 
        return d; 
    else
        return convert_0_To_n__(number, d); 
} 
 
var number = 1080030; 
     
document.write(convert_0_To_n(number, 7));



/*
run:

1787737 

*/

 

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