Return value and parameters?
I didn't quite understand these examples in JavaScript:
function xyz(value)
or
function xyz({value})
What are the differences and can you perhaps give some examples to make it clearer?
I didn't quite understand these examples in JavaScript:
function xyz(value)
or
function xyz({value})
What are the differences and can you perhaps give some examples to make it clearer?
Hi everyone. Is there an AI that can create diagrams, mind maps, etc.? Best regards
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Hello,
the first function takes a simple variable as a parameter, can be anything in this case.
The second function defines the parameter “value” which is destructured from an object which has an attribute “value”.
Example:
More information see Destructuring engagement – JavaScript | MDN (mozilla.org)
You have to call the above example:
The lower example:
So, above, the function receives its parameters directly, below it gets them via an object. The lower variant has, for example, the advantage that the arguments can be arranged arbitrarily and they must always be addressed with their name.
In the first variant, the function takes the argument directly as it is and in the second variant the function gets an object, which contains a key called “value”, which can then be addressed within the function as a variable “value”.