What exactly is a function?
102620
Confusion about the definition of function
17960
Is there any difference between mapping and function?
53358
What does it mean to extend a function?
156536
Defining functions as derivatives
98559
subtlety of self-defined function and its evaluation
31327
Why is $\sqrt{x}$ a function?
15690
Is a function defined at a single point continuous?
132384
Defining indefinitely many functions
142781
What exactly is a number?
75111
Key to get help about current function
16088
How does the (function() {})() construct work and why do people use it?
40997
JavaScript difference between function and new function
22989
A doubt on the definition of limit of a function definition
1638
var functionName = function() {} vs function functionName() {}
38260
How many functions are possible to create in this example?
80176
What is the cost of a function call?
55308
Examining the function