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<!DOCTYPE html> <html> <body> <p>访问 JSON 对象的数组值。</p> <p id="demo"></p> <script> var myObj, x; myObj = { "name":"John", "age":30, "cars":[ "Ford", "BMW", "Fiat" ] }; x = myObj.cars[0]; document.getElementById("demo").innerHTML = x; </script> </body> </html>