Method placeholder

src/gridstack.ts:231–240

* @internal create placeholder DIV as needed * @returns the placeholder element for indicating drop zones during drag operations

()

   * @returns the placeholder element for indicating drop zones during drag operations
   */
  public get placeholder(): GridItemHTMLElement {
    if (!this._placeholder) {
      this._placeholder = Utils.createDiv([this.opts.placeholderClass, gridDefaults.itemClass, this.opts.itemClass]);
      const placeholderChild = Utils.createDiv(['placeholder-content'], this._placeholder);
      if (this.opts.placeholderText) {
        placeholderChild.textContent = this.opts.placeholderText;
      }
    }
    return this._placeholder;
  }
  /** @internal */
  protected _placeholder: GridItemHTMLElement;
  /** @internal prevent cached layouts from being updated when loading into small column layouts */