源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <body> <p>點擊下面的按鈕,循環遍歷對象 "person" 的屬性。</p> <button onclick="myFunction()">點擊這里</button> <p id="demo"></p> <script> function myFunction(){ var x; var txt=""; var person={fname:"Bill",lname:"Gates",age:56}; for (x in person){ txt=txt + person[x]; } document.getElementById("demo").innerHTML=txt; } </script> </body> </html>
運行結果