At what point does Javascript utilize Functions in its code? My understanding was:
function anyfunc(){}
I believed the following comparison would yield true:
console.log(anyfunc === Function)
However, it actually returns false. Why is that? Isn't anyfunc considered a Function?
Also, the statement
"Socrates" === "man"What you're seeking is
anyfunc instanceof Function
Function is classified as a class in JavaScript. Classes in JavaScript behave similarly to variables.
This leads to the intriguing question of what type "Function" actually is. In most languages, it would be considered a "Class". However, in JavaScript, classes are essentially functions, which adds complexity. In this case, Function instanceof Function evaluates to true!
In other languages, "Class" would be an instance of itself (the object representing the class is an object deriving from Class). In contrast, due to JavaScript's implementation of classes as functions, determining the answer to your query becomes challenging.
Remember that somefunc !== Function. These are distinct variables with different values. However, somefunc instanceof Function.
Function is a fundamental concept in programming that takes input and produces an output. Here's an example:
function greet() {
console.log("Hello this is myFunc");
}
This function will display "Hello this is myFunc" on the console. Functions can also accept parameters and utilize them as variables, like so:
function multiplyNumbers(x, y) {
console.log(x * y);
}
multiplyNumbers(5, 5);
The above code will result in an output of 25.
If you intended to check whether a function is actually a function, here's how you can do it:
console.log(anyfunc === Function) Can be achieved like so:
const myfunc = function() {
console.log("hello");
}
if(typeof myfunc === "function") {
alert("Yes, myfunc is a function");
}
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