如何在 JavaScript 中使用 delete 运算符删除一个 setter?
要使用 delete 运算符删除一个 setter,请使用 delete 关键字。以下是如何删除:
delete obj.name
例子
你可以尝试运行以下代码以了解如何删除一个 setter
<html> <body> <script> var department = { deptName: "Marketing", deptZone: "North", deptID: 101, get details() { return "Department Details<br>" + "Name: " + this.deptName + " <br>Zone: " + this.deptZone + "<br>ID: " + this.deptID; }, set details(info) { var res = info.toString().split(' '); this.deptName = res[0] || ''; this.deptZone = res[1] || ''; this.deptID = res[2] || ''; } } department.details = 'Marketing North 001'; document.write("<br>Department Name: " + department.deptName); document.write("<br>Departmet Zone: " + department.deptZone); document.write("<br>Department ID: " + department.deptID); delete department.deptName; document.write("<br>Department Name (after deletion): " + department.deptName); </script> </body> </html>
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