সিডেনাভ

এই প্যাটার্নটি দেখায় কিভাবে ওয়েবের জন্য একটি কম্পোনেন্ট তৈরি করতে হয় যা প্রতিক্রিয়াশীল, স্টেটফুল, কীবোর্ড নেভিগেশন সমর্থন করে, জাভাস্ক্রিপ্টের সাথে এবং ছাড়া কাজ করে এবং ব্রাউজার জুড়ে কাজ করে।

সম্পূর্ণ নিবন্ধ · YouTube-এ ভিডিও · Github-এ উৎস

এইচটিএমএল

<aside id="sidenav-open">
  <nav>
    <h4>My</h4>
    <a href="#">Dashboard</a>
    <a href="#">Profile</a>
    <a href="#">Preferences</a>
    <a href="#">Archive</a>

    <h4>Settings</h4>
    <a href="#">Accessibility</a>
    <a href="#">Theme</a>
    <a href="#">Admin</a>
  </nav>
  
  <!-- TODO: Devsite - Removed inline handlers -->
  <!-- <a href="#" id="sidenav-close" title="Close Menu" aria-label="Close Menu" onchange="history.go(-1)"></a> -->
</aside>

<main>
  <header>
    <a href="#sidenav-open" id="sidenav-button" class="hamburger" title="Open Menu" aria-label="Open Menu">
      <svg viewBox="0 0 50 40" role="presentation" focusable="false" aria-label="trigram for heaven symbol">
        <line x1="0" x2="100%" y1="10%" y2="10%" />
        <line x1="0" x2="100%" y1="50%" y2="50%" />
        <line x1="0" x2="100%" y1="90%" y2="90%" />
      </svg>
    </a>
    <h1>Site Title</h1>
  </header>

  <article>
    <h2>Totam Header</h2>
    <p>Lorem ipsum dolor, sit amet consectetur adipisicing elit. Cum consectetur, necessitatibus velit officia ut impedit veritatis temporibus soluta? Totam odit cupiditate facilis nisi sunt hic necessitatibus voluptatem nihil doloribus! Enim.</p>
    <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Fugit rerum, amet odio explicabo voluptas eos cum libero, ex esse quasi optio incidunt soluta eligendi labore error corrupti! Dolore, cupiditate porro.</p>

    <h3>Subhead Totam Odit</h3>
    <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Fugit rerum, amet odio explicabo voluptas eos cum libero, ex esse quasi optio incidunt soluta eligendi labore error corrupti! Dolore, cupiditate porro.</p>
    <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Fugit rerum, amet odio explicabo voluptas eos cum libero, ex esse quasi optio incidunt soluta eligendi labore error corrupti! Dolore, cupiditate porro.</p>
    
    <h3>Subhead</h3>
    <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Fugit rerum, amet odio explicabo voluptas eos cum libero, ex esse quasi optio incidunt soluta eligendi labore error corrupti! Dolore, cupiditate porro.</p>
    <p>Lorem ipsum dolor sit, amet consectetur adipisicing elit. Fugit rerum, amet odio explicabo voluptas eos cum libero, ex esse quasi optio incidunt soluta eligendi labore error corrupti! Dolore, cupiditate porro.</p>
  </article>
</main>

সিএসএস

        body {
  display: grid;
  grid: [stack] 1fr / min-content [stack] 1fr;

  @media (max-width: 540px) {
    & > :matches(aside, main) {
      grid-area: stack;
    }
  }
}

#sidenav-open {
  --easeOutExpo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: .6s;

  display: grid;
  grid-template-columns: [nav] 2fr [escape] 1fr;

  @media (max-width: 540px) {
    position: sticky;
    top: 0;
    max-height: 100vh;
    overflow: hidden auto;
    overscroll-behavior: contain;

    visibility: hidden; /* not keyboard accessible when closed */
    transform: translateX(-110vw);
    will-change: transform;
    transition: 
      transform var(--duration) var(--easeOutExpo),
      visibility 0s linear var(--duration);
    
    &:target {
      visibility: visible;
      transform: translateX(0);
      transition: transform var(--duration) var(--easeOutExpo);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    --duration: 1ms;
  }
}

#sidenav-button,
#sidenav-close {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
  touch-action: manipulation;

  @media (min-width: 540px) {
    display: none;
  }
}
        

জেএস

        const sidenav = document.querySelector('#sidenav-open')
const closenav = document.querySelector('#sidenav-close')
const opennav = document.querySelector('#sidenav-button')

// set focus to our open/close buttons after animation
sidenav.addEventListener('transitionend', e => {
  if (e.propertyName !== 'transform')
    return

  const isOpen = document.location.hash === '#sidenav-open'

  isOpen
    ? closenav.focus()
    : opennav.focus()

  if (!isOpen) {
    history.replaceState(history.state, '')
  }
})

// close our menu when esc is pressed
sidenav.addEventListener('keyup', e => {
  if (e.code === 'Escape')
    window.history.length
      ? window.history.back()
      : document.location.hash = ''
})