简介
在本实验中,我们将探讨一个为对象属性分配默认值的 JavaScript 函数。此函数有助于简化确保对象中所有属性都有值的过程,即使这些属性最初是未定义的。通过使用 Object.assign()
方法和展开语法,我们可以轻松创建一个具有默认值的新对象,同时保持原始的键顺序。
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/AdvancedConceptsGroup -.-> javascript/destr_assign("`Destructuring Assignment`")
javascript/AdvancedConceptsGroup -.-> javascript/spread_rest("`Spread and Rest Operators`")
subgraph Lab Skills
javascript/variables -.-> lab-28267{{"`为对象属性设置默认值`"}}
javascript/data_types -.-> lab-28267{{"`为对象属性设置默认值`"}}
javascript/arith_ops -.-> lab-28267{{"`为对象属性设置默认值`"}}
javascript/comp_ops -.-> lab-28267{{"`为对象属性设置默认值`"}}
javascript/destr_assign -.-> lab-28267{{"`为对象属性设置默认值`"}}
javascript/spread_rest -.-> lab-28267{{"`为对象属性设置默认值`"}}
end