A. js / nav-tab-fixed.js

import { resaltaSiEstasEn } from "./lib/resaltaSiEstasEn.js"

export class NavTabFixed extends HTMLElement {

 constructor() {

  super()

  this.creado = false

 }

 connectedCallback() {

  this.classList.add("md-tab", "fixed")

  if (!this.creado) {

   this.innerHTML = /* HTML */`

    <a ${resaltaSiEstasEn(["/index.html", "", "/"])} href="index.html">

     <span class="material-symbols-outlined">home</span>

     Inicio

    </a>

    <a ${resaltaSiEstasEn(["/ayuda.html"])} href="ayuda.html">

     <span class="material-symbols-outlined">help</span>

     Ayuda

    </a>`

   this.creado = true

  }

 }

}

customElements.define("nav-tab-fixed", NavTabFixed)