Method setParam

modules/core/UrlHashSystem.js:210–222

* setParam * Sets a `key=value` pair that will be added to the hash params. * Values passed as `undefined` or `null` will be deleted from the query params * Values passed as empty string '' will remain in the query params * @param k {String} The key to set * @param v {String} The

(k, v)

   * @param  v  {String} The value to set, pass `undefined` to delete the value
   */
  setParam(k, v) {
    if (typeof k !== 'string') return;

    if (v === undefined || v === null || v === 'undefined' || v === 'null') {
      this._currParams.delete(k);
    } else {
      this._currParams.set(k, v);
    }

    if (this._started && !this._paused) {
      this.deferredUpdateHash();
    }
  }


  /**