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2 snippets

javascript

Copy text to the clipboard

Use the async clipboard API with a fallback for older browsers.

async function copyText(text) {
  if (navigator.clipboard && window.isSecureContext) {
    await navigator.clipboard.writeText(text);
    return true;
  }

beginner #clipboard#dom#ux

javascript

Event delegation

One listener on a parent handles clicks for current and future children.

document.body.innerHTML = `
  <ul id="todo">
    <li>Write tests <button data-action="done">Done</button></li>
    <li>Deploy <button data-action="done">Done</button></li>
  </ul>`;

intermediate #dom#events#performance

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Biblioteca de snippets

Copy text to the clipboard

Event delegation