Method splice

src/structs/ContentJSON.js:51–55

* @param {number} offset * @return {ContentJSON}

(offset)

   * @return {ContentJSON}
   */
  splice (offset) {
    const right = new ContentJSON(this.arr.slice(offset))
    this.arr = this.arr.slice(0, offset)
    return right
  }

  /**
   * @param {ContentJSON} right