Home Web Front-end JS Tutorial JS implementation of browser Ctrl+F function

JS implementation of browser Ctrl+F function

Aug 13, 2024 pm 03:24 PM

This article provides an overview of creating a custom search bar with functionalities similar to the browser's built-in Ctrl+F feature, covering customization, highlighting, keyboard shortcuts, and navigation controls, using HTML, CSS, and JavaScrip

JS implementation of browser Ctrl+F function

How can I create a search input bar that matches the browser's Ctrl+F functionality?

To create a search input bar that matches the browser's Ctrl+F functionality, you can use HTML and JavaScript. Here's an example:

<input type="text" id="search-input" placeholder="Search...">
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const searchInput = document.getElementById('search-input');

searchInput.addEventListener('input', () => {
  const searchTerm = searchInput.value;

  // Perform the search and update the results
});
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Can I customize the search results and highlight matches like the browser does?

Yes, you can customize the search results and highlight matches like the browser does by using CSS and JavaScript. Here's an example:

.search-result {
  background-color: yellow;
}
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// Highlight the matches in the search results
const searchResults = document.querySelectorAll('.search-result');

searchResults.forEach((result) => {
  const match = result.textContent.match(searchTerm);

  if (match) {
    const highlightedMatch = `<mark>${match[0]}</mark>`;

    result.innerHTML = result.textContent.replace(match[0], highlightedMatch);
  }
});
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How can I implement the keyboard shortcuts and navigation controls used in the browser's Ctrl+F feature?

To implement the keyboard shortcuts and navigation controls used in the browser's Ctrl+F feature, you can use JavaScript and the KeyboardEvent object. Here's an example:

document.addEventListener('keydown', (event) => {
  if (event.ctrlKey && event.key === 'F') {
    // Open the search input bar
  } else if (event.ctrlKey && event.key === 'G') {
    // Find the next match
  } else if (event.ctrlKey && event.key === 'Backspace') {
    // Find the previous match
  }
});
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