你可以使用 delete 关键字从对象中删除属性及其值。
让我们看一个例子:
var student = {name: "John", age:20};
delete student.age;
console.log(student);
输出:
{name: "John"}
你可以使用 delete 关键字从对象中删除属性及其值。
让我们看一个例子:
var student = {name: "John", age:20};
delete student.age;
console.log(student);
输出:
{name: "John"}