ncbo/bioportal_web_ui

let forms = document.getElementById('addProposalFormDiv').getElementsByTagName('form');
if (forms.length === 0) {
  document.getElementById('addProposalFormDiv')
          .insertAdjacentHTML('afterbegin', '<%= j render 'change_requests/node_obsoletion' %>');
}

let button = document.getElementById('cancel_kgcl_proposal');
button.addEventListener('click', () => {
  document.getElementById('addProposalFormDiv').innerHTML = '';
});