<select id="test"></select> var options = [ { key: 1, name: 'a11111', }, { key: 2, name: 'b222222', }, { key: 3, name: 'c33333', }, { key: 4, name: 'd4444444', }, ] var optionHtml = '' options.forEach(function (item) { optionHtml += `<option value="${...