主页
JavaScript
JSON 数组
tryjson_array_modify
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <p>如何修改 JSON 对象的数组值。</p> <p id="demo"></p> <script> var myObj, i, x = ""; myObj = { "name":"John", "age":30, "cars":[ "Ford", "BMW", "Fiat" ] }; myObj.cars[1] = "Mercedes"; for (i in myObj.cars) { x += myObj.cars[i] + "<br>"; } document.getElementById("demo").innerHTML = x; </script> </body> </html>