如何在 JavaScript 中設定 JSON 字串格式?
若要在 JavaScript 中設定 HSON 字串格式,請使用帶一些引數的 JSON.stringify()。以下為程式碼 −
示例
var details = { studentId: 101, studentFirstName: 'David', studentLastName: 'Miller', studentAge:21, subjectDetails: { subjectId: 'JavaScript_101', subjectName: 'Introduction to JavaScript', } }; console.log("Not Pretty JSON Format=") console.log(JSON.stringify(details)); console.log("Pretty JSON Format=") console.log(JSON.stringify(details, null, 3));
若要執行上述程式,你需要使用以下命令 −
node fileName.js.
此處,我的檔名為 demo127.js。
輸出
這將生成以下輸出 −
PS C:\Users\Amit\JavaScript-code> node demo127.js Not Pretty JSON Format= {"studentId":101,"studentFirstName":"David","studentLastName":"Miller","studentAge":21,"subj ectDetails":{"subjectId":"JavaScript_101","subjectName":"Introduction to JavaScript"}} Pretty JSON Format={ "studentId": 101, "studentFirstName": "David", "studentLastName": "Miller", "studentAge": 21, "subjectDetails": { "subjectId": "JavaScript_101", "subjectName": "Introduction to JavaScript" } }
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