Difference between JavaScript Function Declaration and JavaScript Expression15 Feb 2025 | 3 min read JavaScript functions enable us to perform a variety of tasks, make crucial choices, perform computations, and even enhance the interactivity of our websites. We shall discover the distinction between "function expression" and "function declaration" in this post. Both use the term function, which is where they are comparable. The main distinction is that the function declaration has a function name, while the latter does not. Declaration of Function
Syntax The following syntax is used for function declaration. Example: The following example shows the javascript declaration for the arithmetic operation. Output: The output shows the function declaration and its operation in an anonymous way. ![]() Function Expression
Syntax: The following syntax is used for a function expression. Example: The following example shows the javascript expression. Output: The output shows the function expression in an anonymous way and its operation. ![]() Comparison between Function Declaration and ExpressionThe following table compares the function declaration and expression.
ConclusionThe Javascript function declaration and expression are important for the different functions and their operation. The developer and student use the function declaration and expression according to functionality and requirements. Next TopicEnable-javascript-on-microsoft-edge |
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