Method setAtom

external/.scrollLibs.js:17053–17059

(index, atom)

    return this
  }
  setAtom(index, atom) {
    const wi = this.atomBreakSymbol
    const atoms = this._getLine().split(wi)
    atoms[index] = atom
    this.setLine(atoms.join(wi))
    return this
  }
  deleteSubparticles() {
    return this._clearSubparticles()
  }