Function Declaration & Expression
Function Declaration vs Function Expression: Two Ways to Create Functions
JavaScript gives you two main ways to create functions. Understanding the difference helps you write better code and avoid common pitfalls.
Function Declaration – Hoisted to the Top
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Function Expression – Must Be Defined First
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Key Differences
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When to Use Each
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Real-World Example
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Tip: Use function declarations for main program logic and function expressions for callbacks and conditional assignments!