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<input id="code" value="npm install my-package" readonly> <button onclick="copyCode()">Copy</button> <span id="msg"></span> <script> async function copyCode() { const text = document.getElementById("code").value; try { await navigator.clipboard.writeText(text); document.getElementById("msg").textContent = "Copied!"; setTimeout(() => document.getElementById("msg").textContent = "", 2000); } catch (err) { console.error("Copy failed:", err); } } </script>
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