<h2>为 JSON 字符串创建对象</h2> <p id="demo"></p> <script> var text = '{"employees":[' + '{"firstName":"John","lastName":"Doe" },' + '{"firstName":"Anna","lastName":"Smith" },' + '{"firstName":"Peter","lastName":"Jones" }]}'; obj = JSON.parse(text); document.getElementById("demo").innerHTML = obj.employees[1].firstName + " " + obj.employees[1].lastName; </script>