class Cell {

  constructor(element) {
    this.view = document.createElement(element);
    this.value = cellSymbol.NO_MINE;
  }

  isMine() { return this.value == cellSymbol.MINE; }
  makeMine() { this.value = cellSymbol.MINE; }
  getView() { return this.view; }
  addOnClickFn(func) { this.view.onclick = func; }
  removeOnClickFn() { this.view.onclick = ''; }
  addClassStyle(style) { this.view.className = style; }
  openCell(style) {
    this.view.className = style;
    this.value = cellSymbol.OPEN_CELL;
  }
}

Cell.prototype.cellSymbol = Object.freeze({
      NO_MINE: 0,
      MINE: 9,
      OPEN_CELL: '#'
});

cell = new Cell('td');