How can I put clickable span on alertcontroller's message

Hello I have html span clickable which is shown as m in below.
I thought I would be work out well, but it cause error on developer log on chrome
saying WARNING: sanitizing HTML stripped some content (see

I imported { DomSanitizer } from ‘@angular/platform-browser’;
but nothing happened…
How can I implement span clickable inside of alertcontroller?

for(var i=0; i<this.dutylist[0].length; i++){
m+="<span (click)='haha()'>"+this.dutylist[0][i]+"</span>"+'<br><br>';
console.log("m is ");
    var message = this.dutylist[0]
    let alert = this.alertCtrl.create({
      title: '등록된 휴무표시',
      message: m,
      buttons: [
          text: '확인',
          handler: data => {