What does const mean? (please check all true answers)It’s the keyword to define a variable in the local scopeIt’s the keyword to define a variable with optionally initializing it to a valueIt’s the keyword to define a global variableIt’s the keyword to define a constant variableIt’s the keyword to define a variable that can be re-assign during the executionSubmit answers
Question
What does const mean? (please check all true answers)It’s the keyword to define a variable in the local scopeIt’s the keyword to define a variable with optionally initializing it to a valueIt’s the keyword to define a global variableIt’s the keyword to define a constant variableIt’s the keyword to define a variable that can be re-assign during the executionSubmit answers
Solution
The correct answers are:
- It’s the keyword to define a variable with optionally initializing it to a value
- It’s the keyword to define a constant variable
Explanation:
The keyword 'const' is used in many programming languages such as JavaScript, C++, C#, etc. to declare a constant variable. This means that once a value is assigned to a const variable, it cannot be changed or reassigned to a new value.
It is not used to define a variable in the local scope specifically, as const variables can be defined in any scope.
It is also not used to define a global variable specifically. While a const variable can be global if it is defined outside of any function, not all global variables are const.
Finally, a const variable cannot be re-assigned during the execution, which is one of the main characteristics of const variables.
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