navbar.html

<nav class="navbar fixed-top navbar-expand-lg navbar-light bg-light">
  <div class="container">
    <a class="navbar-brand" href="#" onclick="switchPage('home.html');">
      <img src="images/logo.png" width="30" height="30" class="d-inline-block align-top" alt="">
      irplus - Infrared remote</a>
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    data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
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      <ul class="navbar-nav me-auto mb-2 mb-lg-0">

        <li class="nav-item">
          <a class="nav-link" href="#learning">New codes</a>
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        <li class="nav-item">
          <a class="nav-link" href="#technical">Technical</a>
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          <a class="nav-link" href="#layouting">Layout</a>
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        <li class="nav-item dropdown">
          <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
            No infrared port?
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          <div class="dropdown-menu" aria-labelledby="navbarDropdown">
            <a class="dropdown-item" href="#audio">3.5mm Audio</a>
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        <button class="btn btn-outline-success my-2 my-sm-0" type="submit" onclick="window.open('https://play.google.com/store/apps/details?id=net.binarymode.android.irplus', '_blank');">Install</button>
     
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