点击运行
<!DOCTYPE html> <html> <body> <h1>JSON 数组</h1> <p>使用 for in 循环遍历数组</p> <p id="demo"></p> <script> var myObj, i, x = ""; myObj = { "name":"Bill Gates", "age":62, "cars":[ "Porsche", "BMW", "Volvo" ] }; for (i in myObj.cars) { x += myObj.cars[i] + "<br>"; } document.getElementById("demo").innerHTML = x; </script> </body> </html>
运行结果
