<html><body><h2>将字符串转换为函数。</h2><p id="demo"></p><script>var text = '{"name":"John", "age":"function() {return 30;}", "city":"New York"}';var obj = JSON.parse(text);obj.age = eval("(" + obj.age + ")");document.getElementById("demo").innerHTML = obj.name + ", " + obj.age(); </script></body></html>