What difference. Function y (x) { var y =x } and. function y (x){ this.x =x }

Question

difference

Answer 1

I might be mistaken but I believe Function is a built-in keyword in JS while function is just a function's name.

Answer 2

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions

Answer 3

same question wt me,JavaScript is boring, it not like HTML and CSS