In JavaScript coding, you often need to make function parameters optional . When you’re using JavaScript functions, there are two types of parameters: mandatory parameters and optional parameters. In the case of mandatory parameters, you must pass those parameters, otherwise JavaScript throws an error.
Read moreAre parameters in JavaScript optional?
In JavaScript coding, you often need to make function parameters optional . When you’re using JavaScript functions, there are two types of parameters: mandatory parameters and optional parameters. In the case of mandatory parameters, you must pass those parameters, otherwise JavaScript throws an error.
Read moreIs it mandatory to specify the same name for the parameters in declaration and definition of a function justify?
Two parameters cannot have the same name within a single declaration . If a parameter name is the same as a name outside the function, the name outside the function is hidden and cannot be used in the parameter declaration.
Read moreIs it mandatory to specify the same name for the parameters in declaration and definition of a function justify?
Two parameters cannot have the same name within a single declaration . If a parameter name is the same as a name outside the function, the name outside the function is hidden and cannot be used in the parameter declaration.
Read moreWhat is optional parameter in Python?
A Python optional argument is an argument with a default value . You can specify a default value for an argument using the assignment operator. There is no need to specify a value for an optional argument when you call a function.
Read moreWhat is optional parameter in Python?
A Python optional argument is an argument with a default value . You can specify a default value for an argument using the assignment operator. There is no need to specify a value for an optional argument when you call a function.
Read moreHow do you indicate an optional parameter?
To indicate optional arguments, Square brackets are commonly used, and can also be used to group parameters that must be specified together. To indicate required arguments, Angled brackets are commonly used, following the same grouping conventions as square brackets.
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