Js DOM helpers

DomHelpers.js

const $ = function $ (selector, context = document) {
const elements = Array.from(context.querySelectorAll(selector))

  return {
    elements,

    html (newHtml) {
      this.elements.forEach(element => {
        element.innerHTML = newHtml
      })

      return this
    },

    css (newCss) {
      this.elements.forEach(element => {
        Object.assign(element.style, newCss)
      })

      return this
    },

    on (event, handler, options) {
      this.elements.forEach(element => {
        element.addEventListener(event, handler, options)
      })

      return this
    }

    // etc.
  }
}

domHelpers.js

const $ = function $ (selector, context = document) {
const elements = Array.from(context.querySelectorAll(selector))

  return {
    elements,

    html (newHtml) {
      this.elements.forEach(element => {
        element.innerHTML = newHtml
      })

      return this
    },

    css (newCss) {
      this.elements.forEach(element => {
        Object.assign(element.style, newCss)
      })

      return this
    },

    on (event, handler, options) {
      this.elements.forEach(element => {
        element.addEventListener(event, handler, options)
      })

      return this
    }

    // etc.
  }
}