setPauseStatus(curString, curStrPos, isTyping) {
    this.pause.typewrite = isTyping;
    this.pause.curString = curString;
    this.pause.curStrPos = curStrPos;
  }
Has the typing been stopped
@param {string} curString the current string in the strings array
@param {number} curStrPos the current position in the curString
@param {boolean} isTyping
@private