简介
在本实验中,我们将探索如何使用 JavaScript 中的 pick
函数从对象中提取特定的键值对。我们将学习如何将一个对象和一个键数组传递给 pick
函数,以及它如何使用 Array.prototype.reduce()
来过滤并仅从对象中返回指定的键值对。本实验将帮助你理解如何在 JavaScript 中处理对象,以及如何仅从对象中提取必要的信息。
Skills Graph
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flowchart RL
javascript(("`JavaScript`")) -.-> javascript/BasicConceptsGroup(["`Basic Concepts`"])
javascript(("`JavaScript`")) -.-> javascript/AdvancedConceptsGroup(["`Advanced Concepts`"])
javascript/BasicConceptsGroup -.-> javascript/variables("`Variables`")
javascript/BasicConceptsGroup -.-> javascript/data_types("`Data Types`")
javascript/BasicConceptsGroup -.-> javascript/arith_ops("`Arithmetic Operators`")
javascript/BasicConceptsGroup -.-> javascript/comp_ops("`Comparison Operators`")
javascript/BasicConceptsGroup -.-> javascript/array_methods("`Array Methods`")
javascript/AdvancedConceptsGroup -.-> javascript/higher_funcs("`Higher-Order Functions`")
javascript/AdvancedConceptsGroup -.-> javascript/destr_assign("`Destructuring Assignment`")
subgraph Lab Skills
javascript/variables -.-> lab-28544{{"`选取对象键`"}}
javascript/data_types -.-> lab-28544{{"`选取对象键`"}}
javascript/arith_ops -.-> lab-28544{{"`选取对象键`"}}
javascript/comp_ops -.-> lab-28544{{"`选取对象键`"}}
javascript/array_methods -.-> lab-28544{{"`选取对象键`"}}
javascript/higher_funcs -.-> lab-28544{{"`选取对象键`"}}
javascript/destr_assign -.-> lab-28544{{"`选取对象键`"}}
end