点击运行
<!DOCTYPE html> <html> <body> <h1>所有参数的总和：</h1> <p id="demo"></p> <script> function sumAll() { var i; var sum = 0; for(i = 0; i < arguments.length; i++) { sum += arguments[i]; } return sum; } document.getElementById("demo").innerHTML = sumAll(1, 123, 500, 115, 44, 88); </script> </body> </html>
运行结果
