A comprehensive understanding of anonymous functions in JS

1. Declare:

1. Normal function declaration:

// Normal function declaration 

function foo(p1, p2){
 return p1+p2; 
}

2. Anonymous function declaration:

// Anonymous function declaration 

var foo= function(p1, p2){
 return p1+p2; 
}

2. Return value:

The return value of the anonymous function is a reference to an Function object.

3. Meaning:

The anonymous function code above means assigning a reference to the Function object to the variable foo.

4. Similarities:

After generating a function body without a name (Function object), give it another name.