The closure keeps the scope of bar() contained, returning the new function from the self-executing anonymous function sets more visible scope to foo(). The anonymous self-executing function is run exactly once, so there is only one bar() instance, and every execution of foo() will use it.

Feb 16, 2011 · The difference between var fun = function() {} and function fun() {} is that in the first case it is stored in the variable fun. To call the function, you have to call fun(). Having it in a variable lets you pass the function around. You can create objects by using functions

2. Fat arrow syntax is not shorter unless your function can be an expression. function f(x, y) {is 18 characters, const f = (x, y) => {is 21 characters, so 3 character longer. 3. Keeping this binding only matters if the functions are defined inside a method (or other function which has meaningful this). At the top level script it is pointless.

function behaviour_1(){ this.x++; } function behaviour_2(){ this.y++; } My question is, now that I have the code loaded, how can I execute it? I would like to create a function with an unique name for each code 'node', and then call them from the game logic, but I don't know if this is possible (Since you can load more JS code from the HTML ...

May 18, 2010 · I'd like to call a function using an array as parameters: const x = ['p0', 'p1', 'p2']; call_me(x[0], x[1], x[2]); // I don't like it function call_me (param0, param1 ...

Aug 23, 2012 · // to create a jQuery function, you basically just extend the jQuery prototype // (using the fn alias) $.fn.myfunction = function { // blah }; Inside that function, the this variable corresponds to the jQuery wrapped set you called your function on. So something like:

Oct 4, 2011 · If you have a function expression that is in string form and you want to make it a function, then you need to include a return statement in the string you pass to new Function. const strFn = "const sum = (a, b) => a + b" const newFn = new Function(`${strFn}; return sum`)(); console.log(newFn(2, 3)) // 5

Sep 11, 2008 · To make a JavaScript class with a public method I'd do something like: function Restaurant() {} Restaurant.prototype.buy_food = function(){ // something here } Restaurant.prototype.use_restro...

Feb 17, 2014 · So I need a function which increments the value of a variable say n=0. When ever the function runs, the value of this varible must be incremented and it should not be equal to 0 again. For example consider the following code : function increment(){ var n = 0; n++; return n; } Now everytime you run this function you get a value of 1.

I know the title is vague but I didn't know what to write. In javascript, I know how to write functions that will be called like this : argument1.function(argument2); Here is the fiddle demonstr...