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<html><style>#myProgress { width: 100%; height: 30px; position: relative; background-color: #ddd;}#myBar { background-color: #4CAF50; width: 10px; height: 30px; position: absolute;}</style><body><h1>JavaScript Progress Bar</h1><div id="myProgress"> <div id="myBar"></div></div><br><button onclick="move()">Click Me</button> <script>function move() { const element = document.getElementById("myBar"); let width = 0; const id = setInterval(frame, 10); function frame() { if (width == 100) { clearInterval(id); } else { width++; element.style.width = width + '%'; } }}</script></body></html>