dist/cytoscape.esm.js
function unmergeOne(ele) {
    ele = ele[0];
    var _p = this._private;
    var id = ele._private.data.id;
    var map = _p.map;
    var entry = map.get(id);

    if (!entry) {
      return this; // no need to remove
    }

    var i = entry.index;
    this.unmergeAt(i);
    return this;
  }
function unmergeOne(ele) {
    ele = ele[0];
    var _p = this._private;
    var id = ele._private.data.id;
    var map = _p.map;
    var entry = map.get(id);

    if (!entry) {
      return this; // no need to remove
    }

    var i = entry.index;
    this.unmergeAt(i);
    return this;
  }
function unmergeOne ( ele ) { ele = ele [ 0 ] ; var _p = this . _private ; var id = ele . _private . data . id ; var map = _p . map ; var entry = map . get ( id ) ; if ( ! entry ) { return this ; // no need to remove } var i = entry . index ; this . unmergeAt ( i ) ; return this ; }
remove single ele in place in calling collection
remove single ele in place in calling collection