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Which of the following statements is true about JavaScript functions?
- a)A function is a set of statements that performs a specific task.
- b)A function is a built-in feature of JavaScript that cannot be modified.
- c)A function is a data type in JavaScript that represents a string value.
- d)A function is a reserved word in JavaScript that cannot be used as a variable name.
Correct answer is option 'A'. Can you explain this answer?
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Which of the following statements is true about JavaScript functions?a...
A function in JavaScript is a set of statements that performs a specific task.
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Which of the following statements is true about JavaScript functions?a...
A function is a set of statements that performs a specific task. In JavaScript, functions are a fundamental building block of the language, allowing developers to define reusable blocks of code that can be called and executed multiple times.
Functions in JavaScript serve several important purposes, including:
1. Modularity: Functions promote modularity by encapsulating a specific task or functionality into a separate block of code. This helps in organizing and structuring the codebase, making it easier to read, understand, and maintain.
2. Reusability: By defining a function once, it can be reused multiple times throughout the codebase. This saves developers from writing the same block of code repeatedly, reducing redundancy and promoting code efficiency.
3. Abstraction: Functions allow developers to abstract away complex code logic into simpler, more manageable units. By calling a function with appropriate arguments, developers can leverage its functionality without needing to understand the inner workings of the code.
4. Parameterization: Functions can accept input parameters, which allow them to be more flexible and adaptable. By passing different values as arguments, the same function can be used to perform slightly different tasks or calculations based on the provided inputs.
5. Return Values: Functions can also return values, which can be useful for obtaining results or data from the function's execution. This allows for the extraction of specific information or the generation of dynamic output based on the function's logic.
6. Scope: Functions in JavaScript have their own scope, which means variables declared within a function are local to that function and cannot be accessed from outside. This helps in preventing naming conflicts and provides better code organization.
Overall, functions are an essential component of JavaScript programming, enabling developers to write modular, reusable, and efficient code. Understanding how to define, call, and use functions effectively is crucial for building robust and maintainable JavaScript applications.
Functions in JavaScript serve several important purposes, including:
1. Modularity: Functions promote modularity by encapsulating a specific task or functionality into a separate block of code. This helps in organizing and structuring the codebase, making it easier to read, understand, and maintain.
2. Reusability: By defining a function once, it can be reused multiple times throughout the codebase. This saves developers from writing the same block of code repeatedly, reducing redundancy and promoting code efficiency.
3. Abstraction: Functions allow developers to abstract away complex code logic into simpler, more manageable units. By calling a function with appropriate arguments, developers can leverage its functionality without needing to understand the inner workings of the code.
4. Parameterization: Functions can accept input parameters, which allow them to be more flexible and adaptable. By passing different values as arguments, the same function can be used to perform slightly different tasks or calculations based on the provided inputs.
5. Return Values: Functions can also return values, which can be useful for obtaining results or data from the function's execution. This allows for the extraction of specific information or the generation of dynamic output based on the function's logic.
6. Scope: Functions in JavaScript have their own scope, which means variables declared within a function are local to that function and cannot be accessed from outside. This helps in preventing naming conflicts and provides better code organization.
Overall, functions are an essential component of JavaScript programming, enabling developers to write modular, reusable, and efficient code. Understanding how to define, call, and use functions effectively is crucial for building robust and maintainable JavaScript applications.
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Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer?
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Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer?.
Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is true about JavaScript functions?a)A function is a set of statements that performs a specific task.b)A function is a built-in feature of JavaScript that cannot be modified.c)A function is a data type in JavaScript that represents a string value.d)A function is a reserved word in JavaScript that cannot be used as a variable name.Correct answer is option 'A'. Can you explain this answer?.
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