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It is in the operation of programs happen due to misconceptions when solving a problem, improper use and
typos of the programming language, or the inability to predict user behavior.
It is in the operation of programs happen due to misconceptions when solving a problem, improper use and typos of the programming language, or the inability to predict user behavior.
Programming language communicates just like natural language in that it has its grammar and vocabulary.
Programming language communicates just like natural language in that it has its grammar and vocabulary.
The “grammar” in the programming language is the ______, set of rules that defines the structure of the
instructions.
The “grammar” in the programming language is the ______, set of rules that defines the structure of the instructions.
The “vocabulary” are the _________ or list of words that can be used to build instructions.
The “vocabulary” are the _________ or list of words that can be used to build instructions.
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This error violates the language syntax rule, as a declarative sentence
should end with a period.
This error violates the language syntax rule, as a declarative sentence should end with a period.
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This new word is not recognizable in the vocabulary of the natural
language, thus creating an error. It can also be a word that is out of
context, such as using “male” instead of “mall”.
This new word is not recognizable in the vocabulary of the natural language, thus creating an error. It can also be a word that is out of context, such as using “male” instead of “mall”.
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It is an error as it is not what was originally the intended direction
compared to the original message. This error is not easily detectable
by the compiler.
It is an error as it is not what was originally the intended direction compared to the original message. This error is not easily detectable by the compiler.
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It appears when a code is ill-formed. When typos occur, or when unmatching parenthesis or brackets. The code cannot even be executed as JavaScript cannot understand it.
It appears when a code is ill-formed. When typos occur, or when unmatching parenthesis or brackets. The code cannot even be executed as JavaScript cannot understand it.
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The semantic error above is called a _______ in JavaScript, as the compiler does not know its meaning.
The semantic error above is called a _______ in JavaScript, as the compiler does not know its meaning.
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This error occurs when the programmer tries to access a function or a variable that does not exist.
This error occurs when the programmer tries to access a function or a variable that does not exist.
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Study Notes
Errors in Programming
- Errors can occur in programming due to misconceptions, improper use of the programming language, typos, or inability to predict user behavior.
Programming Language Structure
- A programming language has its own "grammar" which is a set of rules that defines the structure of instructions.
- A programming language has its own "vocabulary" which is a list of words that can be used to build instructions.
Syntax Errors
- A syntax error occurs when the code violates the language syntax rules, such as a declarative sentence not ending with a period.
- Syntax errors can be caused by typos, unmatching parentheses or brackets, and make the code unable to be executed.
Semantic Errors
- A semantic error occurs when the code is ill-formed and the compiler does not know the meaning, such as using a non-existent function or variable.
- Semantic errors are not easily detectable by the compiler and can occur when the programmer tries to access a non-existent function or variable.
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Description
Test your understanding of common errors that occur in programming due to misconceptions, improper language use, typos, and unpredicted user behavior. Identify and correct mistakes to improve your coding skills.
