如何使用 JavaScript 中的 delete 運算子來刪除一個 setter?
若要使用 delete 運算子刪除一個 setter,請使用 delete 關鍵字。下面是刪除的方法 -
delete obj.name
示例
您可以嘗試執行以下程式碼來了解如何刪除一個 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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