Can someone clarify the distinction between
function MyFunc() {
// code...
}
and
var MyFunc = function() {
// code...
};
when it comes to JavaScript?
Can someone clarify the distinction between
function MyFunc() {
// code...
}
and
var MyFunc = function() {
// code...
};
when it comes to JavaScript?
One key distinction is that named functions are accessible throughout the code regardless of where they are declared, while functions assigned to variables are not.
b();//runs
function b(){..}
runs
b();//error
var b=function(){..}
It will not run, but if called after declaration, it will work.
var b=function(){..}
b();//runs
If you're curious about the ambiguity in JavaScript function declarations, this article could provide some insight: JavaScript function declaration ambiguity.
The distinction between an actual function declaration and a shorthand method is important to note. The shorthand method is essentially a variable declaration with an anonymous function as its value.
Don't forget to check out the comments for additional helpful information!
At first glance, both formats may seem identical, allowing you to freely use either in your code.
However, the JavaScript interpreter views them differently.
The first format is known as a named function.
In contrast, the second format is an anonymous function that is assigned to a variable.
Additionally, when debugging, the second function may not display a name in the stack trace.
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