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2025-01-09 20:29:41 +08:00
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leetcode-cn/problem (English)/精简对象(English) [compact-object].html
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<p>Given an object or array&nbsp;<code>obj</code>, return a <strong>compact object</strong>. A <strong>compact object</strong>&nbsp;is the same as the original object, except with keys containing <strong>falsy</strong> values removed. This operation applies to the object and any nested objects. Arrays are considered objects where&nbsp;the indices are&nbsp;keys. A value is&nbsp;considered <strong>falsy</strong>&nbsp;when <code>Boolean(value)</code> returns <code>false</code>.</p>
<p>Given an object or array&nbsp;<code>obj</code>, return a <strong>compact object</strong>.</p>
<p>A <strong>compact object</strong>&nbsp;is the same as the original object, except with keys containing <strong>falsy</strong> values removed. This operation applies to the object and any nested objects. Arrays are considered objects where&nbsp;the indices are&nbsp;keys. A value is&nbsp;considered <strong>falsy</strong>&nbsp;when <code>Boolean(value)</code> returns <code>false</code>.</p>
<p>You may assume the&nbsp;<code>obj</code> is&nbsp;the output of&nbsp;<code>JSON.parse</code>. In other words, it is valid JSON.</p>