Remove keys with undefined values from an object
从对象中删除值为 undefined 的键
The type of elements in the array / 数组元素的类型
The object to remove undefined keys from / 要删除值为 undefined 键的对象
The object with undefined keys removed / 移除了值为 undefined 键的对象
This function mutates the original object in place by deleting keys whose value is undefined. It does not create a copy.
undefined
此函数会直接修改原对象，删除值为 undefined 的键。不会创建副本。
const obj = { a: 1, b: undefined }clearUndefined(obj) // { a: 1 } Copy
const obj = { a: 1, b: undefined }clearUndefined(obj) // { a: 1 }
Remove keys with undefined values from an object
从对象中删除值为 undefined 的键