Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <div id="spotlight" popover>
  <input autocomplete="off" role="combobox" spellcheck="false" aria-expanded="false" aria-controls="spotlight-options" aria-activedescendant="" autofocus id="spotlight-search" type="text" placeholder="Pop-up search...">
  <input aria-hidden="true" type="text" disabled readonly class="spotlight-under-text">
  <div popover id="spotlight-options" role="listbox">
    <!-- "Options" get injected here -->
  </div>
</div>
<h1>
  <span>Open this pop-up with</span>
  <kbd>cmd + j</kbd>
</h1>
<sub>Note:: You'll need to view this outside of an iframe</sub>
              
            
!

CSS

              
                @layer demo {
  :root {
    --spotlight-bg: hsl(0 0% 90% / 0.9);
    --spotlight-hover: var(--blue-2);
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --spotlight-bg: hsl(0 0% 10% / 0.9);
      --spotlight-hover: var(--blue-8);
    }
  }

  *,
  *:after,
  *:before {
    box-sizing: border-box;
  }

  body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    align-content: center;
    gap: var(--size-8);
    font-family: "Google Sans", sans-serif, system-ui;
  }

  :where([popover]) {
    margin: auto;
    border-width: initial;
    border-style: solid;
  }

  h1 {
    display: flex;
    max-inline-size: 100%;
    flex-wrap: wrap;
    gap: 1ch;
    align-items: center;
    justify-content: center;
    color: var(--text-2);
    line-height: 0.8;
  }

  kbd {
    color: var(--blue-6);
    background: var(--surface-1);
  }

  #spotlight,
  #spotlight-options {
    border: 0;
    padding: 0;
    width: var(--size-content-3);
    max-width: calc(100% - (2 * var(--size-4)));
    background: var(--spotlight-bg);
    backdrop-filter: blur(4px);
    overflow: hidden;
  }

  #spotlight {
    top: 25%;
    margin: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--radius-3);
    box-shadow: var(--shadow-5);
  }

  #spotlight-search::placeholder {
    color: var(--text-2);
  }

  #spotlight:has(#spotlight-options:open) {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  #spotlight-options {
    box-shadow: var(--shadow-5);
    border-top: 1px solid var(--gray-5);
    border-bottom-left-radius: var(--radius-3);
    border-bottom-right-radius: var(--radius-3);
  }

  [data-theme="dark"] {
    color-scheme: dark;
    --brand: var(--pink-4);
    --link: var(--indigo-3);
    --link-visited: var(--grape-3);
    --text-1: var(--gray-1);
    --text-2: var(--gray-2);
    --surface-1: var(--gray-9);
    --surface-2: var(--gray-8);
    --surface-3: var(--gray-7);
    --surface-4: var(--gray-6);
    --nav-icon: var(--gray-5);
    --nav-icon-hover: var(--gray-2);
    --shadow-strength: 10%;
    --shadow-color: 220 40% 2%;
    --spotlight-bg: hsl(0 0% 10% / 0.9);
    --spotlight-hover: var(--blue-8);
  }

  [data-theme="light"] {
    color-scheme: light;
    --brand: var(--pink-6);
    --link: var(--indigo-7);
    --link-visited: var(--grape-7);
    --text-1: var(--gray-9);
    --text-2: var(--gray-7);
    --surface-1: var(--gray-0);
    --surface-2: var(--gray-2);
    --surface-3: var(--gray-3);
    --surface-4: var(--gray-4);
    --nav-icon: var(--gray-7);
    --nav-icon-hover: var(--gray-9);
    --shadow-color: 220 3% 15%;
    --shadow-strength: 1%;
    --spotlight-bg: hsl(0 0% 90% / 0.9);
    --spotlight-hover: var(--blue-2);
  }

  [data-option] {
    background: transparent;
    padding: var(--size-4);
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: flex-start;
    text-align: left;
    align-items: center;
    gap: 1ch;
    padding-left: var(--size-8);
    cursor: pointer;
    color: var(--text-1);
  }

  [data-option][aria-selected="true"] {
    background: var(--spotlight-hover);
  }

  #spotlight-search,
  [readonly] {
    padding: var(--size-4);
    width: 100%;
    background: transparent;
    padding-left: var(--size-8);
    outline: transparent;
    color: var(--text-1);
  }

  [readonly] {
    position: absolute;
    inset: 0;
    z-index: -1;
  }
  #spotlight-options {
    margin: 0;
    top: calc(var(--top, 0) * 1px);
    left: calc(var(--left, 0) * 1px);
  }
}

@layer base {
  :root {
    --spotlight-bg: hsl(0 0% 90% / 0.9);
    --spotlight-hover: var(--blue-2);
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --spotlight-bg: hsl(0 0% 10% / 0.9);
      --spotlight-hover: var(--blue-8);
    }
  }

  *,
  *:after,
  *:before {
    box-sizing: border-box;
  }

  body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    font-family: "Google Sans", sans-serif, system-ui;
  }

  :where([popover]) {
    margin: auto;
    border-width: initial;
    border-style: solid;
  }

  h1 {
    display: flex;
    max-inline-size: 100%;
    flex-wrap: wrap;
    gap: 1ch;
    align-items: center;
    justify-content: center;
    color: var(--text-2);
    line-height: 0.8;
  }

  kbd {
    color: var(--blue-6);
    background: var(--surface-1);
  }
}

              
            
!

JS

              
                const POPUP = document.querySelector("#spotlight");

// Keys are 91 && 74.
const CMD = 91;
const MOD = 74;

const STATE = {
  cmd: false,
  mod: false
};

const handleActivation = (e) => {
  if (e.keyCode === CMD && !STATE.cmd) STATE.cmd = true;
  if (e.keyCode === MOD && STATE.cmd && !STATE.mod) STATE.mod = true;

  if (STATE.cmd && STATE.mod && !POPUP.matches(":open")) {
    STATE.cmd = STATE.mod = false;
    POPUP.showPopover();

    OPTIONS.showPopover();
  }
};

const unload = (e) => {
  if (e.keyCode === CMD || e.keyCode === MOD) STATE.cmd = STATE.mod = false;
};

document.body.addEventListener("keydown", handleActivation);
document.body.addEventListener("keyup", unload);

document.documentElement.setAttribute(
  "data-theme",
  window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light"
);

let length = 0;
const OPTIONS = document.querySelector("#spotlight-options");
const SEARCH = document.querySelector("#spotlight-search");
const AVAILABLE_OPTIONS = [
  {
    id: "toggle-theme",
    title: 'Toggle theme <i class="material-symbols-outlined">routine</i>',
    action: () => {
      document.documentElement.setAttribute(
        "data-theme",
        document.documentElement.matches('[data-theme="dark"]')
          ? "light"
          : "dark"
      );
    }
  },
  {
    id: "twitter-reach",
    title:
      'Say "Hey" on Twitter <i class="material-symbols-outlined">waving_hand</i>',
    action: () => {
      window.open("https://twitter.com/jh3yy", "_blank");
    }
  },
  {
    id: "popup-explainer",
    title:
      'Check out the Pop-up API Explainer <i class="material-symbols-outlined">mode_comment</i>',
    action: () => {
      window.open(
        "https://open-ui.org/components/popup.research.explainer",
        "_blank"
      );
    }
  },
  {
    id: "web-search",
    title: (value) =>
      `Search web for "${value}" <i class="material-symbols-outlined">public</i>`,
    action: (value) => {
      window.open(`https://google.com/search?q=${value}`, "_blank");
    }
  }
];

const fireAction = (actionId) => {
  AVAILABLE_OPTIONS.filter((option) => option.id === actionId)[0].action(
    SEARCH.value
  );
  if (actionId !== "toggle-theme") {
    SEARCH.value = "";
    POPUP.hidePopover();
  }
};

const buildOptions = (options, value) => {
  let items = "";
  options.forEach((option, index) => {
    if (option)
      items += `
      <div id="${index}" role="option" aria-selected="${
        index === 0
      }" data-option="${option.id}">
        ${typeof option.title === "string" ? option.title : option.title(value)}
      </div>
    `;
  });
  OPTIONS.innerHTML = items;
};

const onOptionsOpen = () => {
  const { bottom, left } = POPUP.getBoundingClientRect();
  SEARCH.setAttribute("aria-expanded", true);
  OPTIONS.style.setProperty("--top", bottom);
  OPTIONS.style.setProperty("--left", left);
};

const onOptionsHide = (e) => {
  SEARCH.setAttribute("aria-expanded", false);
};

const onActivated = (e) => {
  if (e.target === POPUP) {
    renderOptions(SEARCH.value);
  }
};

const selectOption = (e) => {
  let selected;
  if (e.type === "pointermove") {
    const opts = [...OPTIONS.children];
    opts.forEach((option) => {
      let target = e.target.tagName === "I" ? e.target.parentNode : e.target;
      option.setAttribute("aria-selected", option === target ? true : false);
      if (option === target) selected = option;
    });
  } else {
    e.preventDefault();
    const CURRENT = document.querySelector('[aria-selected="true"]');
    selected =
      CURRENT[
        e.keyCode === 38 ? "previousElementSibling" : "nextElementSibling"
      ];
    if (!selected)
      selected =
        CURRENT.parentNode[
          e.keyCode === 38 ? "lastElementChild" : "firstElementChild"
        ];
    CURRENT.setAttribute("aria-selected", false);
    selected.setAttribute("aria-selected", true);
  }
  if (selected)
    SEARCH.setAttribute(
      "aria-activedescendant",
      selected.getAttribute("data-option")
    );
};

const renderOptions = (value) => {
  length = value.length;
  let options = [
    ...AVAILABLE_OPTIONS.filter((option) => {
      return (
        typeof option.title === "string" &&
        option.title.toLowerCase().indexOf(value.toLowerCase()) !== -1
      );
    }),
    value !== ""
      ? AVAILABLE_OPTIONS.filter((option) => option.id === "web-search")[0]
      : null
  ];
  // Regardless of what's happening, you're building the options...
  buildOptions(options, value);

  if (!OPTIONS.matches(":open") && options.length) {
    OPTIONS.showPopover();
  }
};

const handleActionClick = (e) => {
  fireAction(
    e.target.tagName === "I"
      ? e.target.parentNode.getAttribute("data-option")
      : e.target.getAttribute("data-option")
  );
};

const handleKeyboardInteraction = (e) => {
  // Handle building of options
  if (POPUP.matches(":open")) {
    if (e.keyCode === 13 && e.type === "keydown") {
      e.preventDefault();
      fireAction(
        document
          .querySelector('[aria-selected="true"]')
          .getAttribute("data-option")
      );
    } else if (SEARCH.value.length !== length) {
      renderOptions(SEARCH.value);
    } else if (
      OPTIONS.matches(":open") &&
      (e.keyCode === 38 || e.keyCode === 40) &&
      e.type === "keydown"
    ) {
      selectOption(e);
    } else if (e.keyCode === 27) {
      SEARCH.value = "";
    }
  }
};

POPUP.addEventListener("beforetoggle", (e) => {
  if (e.newState === "open") onActivated(e);
});
window.addEventListener("keydown", handleKeyboardInteraction);
window.addEventListener("keypress", handleKeyboardInteraction);
window.addEventListener("keyup", handleKeyboardInteraction);
OPTIONS.addEventListener("beforetoggle", (e) => {
  if (e.newState === "open") onOptionsOpen(e);
  else onOptionsHide(e);
});
OPTIONS.addEventListener("pointermove", selectOption);
OPTIONS.addEventListener("click", handleActionClick);

// Catch case for clicking on the input
SEARCH.addEventListener("click", (e) => {
  // Don't want the click on the input to close the popup
  OPTIONS.showPopover();
});

              
            
!
999px

Console