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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## defaults + [link](./defaults "Link to this entry.") + [source](https://github.com/lodash/lodash/blob/4.5.0正式版/lodash.src.js#L10879 "View in source.") + [npm](https://www.npmjs.com/package/lodash.defaults "See the npm package.") ``` _.defaults(object, [sources]) ``` 分配來源對象的可枚舉屬性到目標對象所有解析為 `undefined` 的屬性上。 來源對象從左到右應用。 一旦設置了相同屬性的值,后續的將被忽略掉。 **注意:** 這方法會改變源對象 ### 參數 1. object (Object) 目標對象 2. [sources] (...Object) 來源對象 ### 返回值 (Object) 返回對象 ### 示例 ``` _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' }); // => { 'user': 'barney', 'age': 36 } ```
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