Method setContent

external/.scrollLibs.js:17063–17074

(content)

    return this._clearSubparticles()
  }
  setContent(content) {
    if (content === this.content) return this
    const newArray = [this.cue]
    if (content !== undefined) {
      content = content.toString()
      if (content.match(this.particleBreakSymbol)) return this.setContentWithSubparticles(content)
      newArray.push(content)
    }
    this._setLine(newArray.join(this.atomBreakSymbol))
    this._updateLineModifiedTimeAndTriggerEvent()
    return this
  }
  prependSibling(line, subparticles) {
    return this.parent.insertLineAndSubparticles(line, subparticles, this.index)
  }