点击运行
<!DOCTYPE html> <html> <body> <h1>JavaScript 函数</h1> <p>toString() 方法将函数作为字符串返回：</p> <p id="demo"></p> <script> function myFunction(a, b) { return a * b; } document.getElementById("demo").innerHTML = myFunction.toString(); </script> </body> </html>
运行结果
