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C D Quiz 13

Quiz by crio

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5 questions
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  • Q1
    What is the purpose of introducing functions in JavaScript?
    To organize code into reusable blocks that can be called multiple times.
    To optimize webpage loading speed.
    To define complex mathematical formulas.
    To style webpage elements.
    30s
  • Q2
    What is the purpose of relational and logical operators in JavaScript?
    To add images to a webpage.
    To generate random numbers in a program.
    Relational and logical operators are used to compare values and make decisions based on the comparisons.
    To format text on a webpage.
    30s
  • Q3
    What is the purpose of using If-Else statements in JavaScript?
    To create animations using JavaScript.
    If-Else statements are used to control the flow of a program based on certain conditions.
    To display a static message on a webpage.
    To add images to a webpage layout.
    30s
  • Q4
    How does JavaScript handle strings in terms of immutability?
    In JavaScript, strings are immutable, meaning that once a string is created, it cannot be changed.
    JavaScript strings can be easily modified at any point in the code.
    Strings in JavaScript are only used for storing emails.
    Strings in JavaScript can only contain numeric values.
    30s
  • Q5
    How does JavaScript handle data types?
    JavaScript supports only one data type for all variables.
    JavaScript data types are predefined and cannot be changed during program execution.
    JavaScript enforces strict data type declarations at the beginning of the program.
    JavaScript is a dynamically typed language, meaning that data types are determined at runtime based on the value assigned to a variable.
    30s

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