Method getjson

Env.js:124–133

(key, defaultValue)

    }

    getjson(key, defaultValue) {
      let json = defaultValue
      const val = this.getdata(key)
      if (val) {
        try {
          json = JSON.parse(this.getdata(key))
        } catch {}
      }
      return json
    }

    setjson(val, key) {
      try {