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<!DOCTYPE html> <html> <body> <p>此示例演示如何在使用 addEventListener() 方法时传递参数值。</p> <p>点击按钮进行计算。</p> <button id="myBtn">试一试</button> <p id="demo"></p> <script> var p1 = 5; var p2 = 7; document.getElementById("myBtn").addEventListener("click", function() { myFunction(p1, p2); }); function myFunction(a, b) { var result = a * b; document.getElementById("demo").innerHTML = result; } </script> </body> </html>