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<div class="card"> <h1>Hello World</h1> <button id="btn">Click Me</button> </div>
body { display:flex; justify-content:center; align-items:center; height:100vh; margin:0; background:#f0f2f5; } .card { background:#fff; padding:2rem; border-radius:8px; }
console.log("Ready"); const btn = document.getElementById('btn'); if(btn){ btn.onclick = () => { console.log({clicked:true,time:Date.now()}); alert("It works!"); }; }else{ console.warn("Button not found"); }
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