Posts by Filipe Botelho • 21 points

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  A: Fill left zeros in Javascript

  I believe that already resolves: const n = '1236' (n.slice(0, -1) + '-' + n.slice(-1)).padStart(7, '0') For a more detailed example: const inputNumber = document.getElementById('number')…

  javascript html

  answered 3 years, 5 months ago Filipe Botelho 21