build/ical.js
function toSeconds() {
      var seconds = this.seconds + 60 * this.minutes + 3600 * this.hours +
                    86400 * this.days + 7 * 86400 * this.weeks;
      return (this.isNegative ? -seconds : seconds);
    }
function toSeconds() {
      var seconds = this.seconds + 60 * this.minutes + 3600 * this.hours +
                    86400 * this.days + 7 * 86400 * this.weeks;
      return (this.isNegative ? -seconds : seconds);
    }
function toSeconds ( ) { var seconds = this . seconds + 60 * this . minutes + 3600 * this . hours + 86400 * this . days + 7 * 86400 * this . weeks ; return ( this . isNegative ? - seconds : seconds ) ; }
The duration value expressed as a number of seconds.

@return {Number}             The duration value in seconds
The duration value expressed as a number of seconds .