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<!DOCTYPE html> <html> <body> <p>如何访问嵌套的 JSON 对象。</p> <p id="demo"></p> <script> var myObj = { "name":"John", "age":30, "cars": { "car1":"Ford", "car2":"BMW", "car3":"Fiat" } } document.getElementById("demo").innerHTML += myObj.cars.car2 + "<br>"; //or: document.getElementById("demo").innerHTML += myObj.cars["car2"]; </script> </body> </html>