Method connectedCallback

app/javascript/elements/scroll_buttons.js:2–11

()

export default class extends HTMLElement {
  connectedCallback () {
    this.header = document.querySelector('#signing_form_header')

    window.addEventListener('scroll', this.onScroll)
    window.addEventListener('resize', this.onResize)

    if (!this.isNarrow() && this.isHeaderNotVisible()) {
      this.showButtons({ animate: false })
    }
  }

  disconnectedCallback () {
    window.removeEventListener('scroll', this.onScroll)