简介
在本实验中,我们将探讨如何使用 JavaScript 在指定索引处向数组中插入值。你将学习如何使用 Array.prototype.splice()
方法,在给定索引之后插入值,且删除计数为 0
。本实验将为你提供在 JavaScript 中操作数组的实践经验,并帮助你理解在插入新值时如何改变原始数组。
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/spread_rest("Spread and Rest Operators")
subgraph Lab Skills
javascript/variables -.-> lab-28401{{"在数组索引处插入值"}}
javascript/data_types -.-> lab-28401{{"在数组索引处插入值"}}
javascript/arith_ops -.-> lab-28401{{"在数组索引处插入值"}}
javascript/comp_ops -.-> lab-28401{{"在数组索引处插入值"}}
javascript/spread_rest -.-> lab-28401{{"在数组索引处插入值"}}
end