no-delete-var

禁止删除变量

delete操作符的目的是从对象中删除属性。用它来删变量,显然不会有预期的效果。

只用delete删除对象上的属性

const foo = { name: 'ranwawa' };

delete foo;

const foo = { name: 'ranwawa' };

delete foo;

const foo = { name: 'ranwawa' };

delete foo.name;

const foo = { name: 'ranwawa' };

delete foo.name;

no-delete-var ​