LWC view 自動更新　refresh

参考:https://www.infallibletechie.com/2020/03/how-to-call-method-in-lwc-in-specific.html

  @track progress = 5000;
  _interval;

  connectedCallback() {

    this._interval = setInterval(() => {  
        //this.progress = this.progress + 5000;  
        //alert( this.i++ );  
        this.getMsg(); //データ取得処理
        refreshApex(this.msgShow);
        if ( this.progress === 100000 ) {  
            clearInterval(this._interval);  
        }
    }, this.progress);  
  }