require('./bootstrap'); require('./vuejs'); const selectElement = document.getElementById('gamme_id'); if (selectElement != null) { selectElement.addEventListener('change', (event) => { let selectSubRange = document.getElementById('sous_gamme_id'); let length = selectSubRange.options.length; for (i = length - 1; i > 0; i--) { selectSubRange.options[i] = null; } }); }