sample_stimulus_controller.js

// controllers/search_controller.js
import { Controller } from "stimulus"

export default class extends Controller {
  static targets = [ "query", "results" ]
  
  search(){
    var searchString = this.queryTarget.value
    fetch(this.data.get("url")+"?query="+searchString)
    .then(response => response.text())        
    .then(html => {
      this.resultsTarget.innerHTML = html
    }
  }
}