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<!DOCTYPE html> <html> <body> <h2>JSON.stringify 将从对象中删除任何函数。</h2> <p id="demo"></p> <script> var obj = { name: "John", age: function () {return 30;}, city: "New York" }; var myJSON = JSON.stringify(obj); document.getElementById("demo").innerHTML = myJSON; </script> </body> </html>