Shelly: Number to String without Trailing Zeros

num2string.js

function numberToStringWithoutTrailingZeros(num) {
  let numStr = JSON.stringify(num);
  let cleanNumStr = removeTrailingZeroes(numStr);
  return cleanNumStr;
}

function removeTrailingZeroes(str) {
  let index;
  for (index = str.length-1; index >= 0; index--) {
    if (str[index] !== '0')
      break;
  }
  return str.slice(0, index+1);
}

let num = 123.02 + 0.111;
print("Num (standard):", num);
print("Num (no trailing zeros):",numberToStringWithoutTrailingZeros(num));

Output

Num (standard): 123.131000
Num (no trailing zeros): 123.131