简介
在本实验中,我们将探索如何使用 JavaScript 检查给定字符串是否以另一个字符串的子串开头。我们将学习如何使用 for...in
循环和 String.prototype.slice()
获取给定单词的每个子串,以及使用 String.prototype.startsWith()
检查当前子串是否与文本匹配。完成本实验后,你将能够在 JavaScript 中高效地查找字符串是否以特定子串开头。
Skills Graph
%%%%{init: {'theme':'neutral'}}%%%%
flowchart RL
javascript(("`JavaScript`")) -.-> javascript/BasicConceptsGroup(["`Basic 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/cond_stmts("`Conditional Statements`")
javascript/BasicConceptsGroup -.-> javascript/loops("`Loops`")
subgraph Lab Skills
javascript/variables -.-> lab-28625{{"`字符串是否以子串开头`"}}
javascript/data_types -.-> lab-28625{{"`字符串是否以子串开头`"}}
javascript/arith_ops -.-> lab-28625{{"`字符串是否以子串开头`"}}
javascript/comp_ops -.-> lab-28625{{"`字符串是否以子串开头`"}}
javascript/cond_stmts -.-> lab-28625{{"`字符串是否以子串开头`"}}
javascript/loops -.-> lab-28625{{"`字符串是否以子串开头`"}}
end