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<!DOCTYPE html> <html> <style> #container { width: 400px; height: 400px; position: relative; background: yellow; } #animate { width: 50px; height: 50px; position: absolute; background-color: red; } </style> <body> <p><button onclick="myMove()">Click Me</button></p> <div id ="container"> <div id ="animate"></div> </div> <script> function myMove() { let id = null; const elem = document.getElementById("animate"); let pos = 0; clearInterval(id); id = setInterval(frame, 5); function frame() { if (pos == 350) { clearInterval(id); } else { pos++; elem.style.top = pos + "px"; elem.style.left = pos + "px"; } } } </script> </body> </html>
