// Position against the topmost field.
for (let i = 0; i < fieldModels.length; i++) {
const pos = fieldModels[i].get('el').getBoundingClientRect().top;
// Position against the topmost field.
for (let i = 0; i < fieldModels.length; i++) {
const pos = fieldModels[i].get('el').getBoundingClientRect().top;