iife Questions
1
I have just learned about the difference between Function Declarations and Function Expressions. This got me wondering about whether or not I'm doing things right in my AngularJS code. I'm fo...
Durstin asked 30/6, 2014 at 6:24
3
Solved
Airbnd suggests I do this:
!function() {
// ...
}();
Because:
This ensures that if a malformed module forgets to include a final
semicolon there aren't errors in production when the scripts...
Darnley asked 5/6, 2014 at 18:29
4
Solved
Is there a way in Javascript to define a function and immediately call it, in a way that allows it to be reused?
I know you can do one-off anonymous functions:
(function(i) {
var product = i * ...
Incudes asked 21/9, 2011 at 10:38
8
Solved
Stoyan Stefanov says in JavasScript Patterns that: "you need an immediated function to wrap all your code in its local scope and not to leak any variables to the global scope" page 70.
Here is his...
Herstein asked 13/11, 2012 at 16:11
4
Solved
Encountered some code that's using IIFEs in an expression rather than just a normal function.
var custom_type = (function() {
return $('#myDiv').attr('custom_type');
})();
Normally I would writ...
Lin asked 9/4, 2014 at 22:49
2
Solved
I saw something like this today
var Visualizer = (function() {
function Visualizer() {
//...
}
Visualizer.prototype.function1 = function () { /* ... */ }
//...
return Visualizer;
})();
var ...
Wedgwood asked 28/3, 2014 at 5:36
3
Solved
There is a JSLint option, one of The Good Parts in fact, that "[requires] parens around immediate invocations," meaning that the construction
(function () {
// ...
})();
would instead need to...
Walkthrough asked 2/6, 2009 at 13:5
1
Solved
I'm defining various modules in a Javascript file:
var module = {/* ... */}
(function(){
console.log('Invoked');
})()
However the IIFE throws an error:
> TypeError: object is not a function
...
Yogi asked 9/1, 2014 at 21:42
3
Solved
I'm new to JavaScript and I'm trying to wrap my head around creating "classes" with private data and public functions. I've been told Immediately Invoked Function Expressions (IIFE) accomplish this...
Ratal asked 9/11, 2013 at 16:35
1
Solved
I was taking a look through the bootstrap JS source and I came across something that I haven't seen before:
+function ($) { "use strict";
//...
}(window.jQuery);
What's the deal with the +...
Dihydric asked 22/9, 2013 at 21:2
2
Solved
What are the pros and cons of utilizing Named IIFEs within JS code to describe and group related code?
I've been using this "pattern" to lend structure to my more procedural code that get...
Karrikarrie asked 20/3, 2013 at 17:17
3
Solved
I'am studying the behaviour of Immediatly Invoked Function Expressions (IIFE) and while doing that I encounterd the following situation.
(function () {
document.write("bar");
})
(function () {
...
Triable asked 11/2, 2013 at 11:4
2
Solved
I see a lot of code like:
var myApp ={};
(function() {
console.log("Hello");
this.var1 = "mark"; //"this" is global, because it runs immediately on load. Caller is global
myApp.sayGoodbye = fun...
Lauricelaurie asked 14/1, 2013 at 11:57
1
Solved
Let's see two examples in which I'll try to explain what I want to understand.
var Car = function(){
// Init class
function Car() { };
// Private func/vars
var private = { color:'red' };
// P...
Ebner asked 5/11, 2012 at 4:45
5
Solved
The following is a method for defining an anonymous function within a closure, invoke the function, and forget it:
(function () { "do stuff"; })();
This is used to maintain a limited scope witho...
Tolmann asked 10/9, 2012 at 20:27
1
Solved
I've got the following code which I know is an IIFE. However, I've never been able to grasp what the (jQuery) and ($) is. I know it's got something to do with passing a reference of jQuery into the...
Cavalry asked 8/9, 2012 at 16:14
3
Solved
Background:
I have a self-taught hobbyist level of understanding of C++, which has translated into a similar understanding of javascript. As an attempt to understand javascript better, I decided to...
Displant asked 17/8, 2012 at 1:15
6
Solved
I have:
var Init = (function() {
my js goes here
})();
And my js executes correctly when the page is loaded. I also have:
$('form :checkbox').change(function() {
Init();
});
But firebug say...
Sough asked 22/5, 2011 at 21:30
2
Solved
Possible Duplicate:
What does the exclamation mark do before the function?
If you look at the source code for KnockoutJS 2.1.0 you will see a code structure like this start on line 7:...
Turk asked 11/8, 2012 at 15:34
4
Solved
I am trying to understand if there is any difference between:
(function($){
...
})(jQuery);
vs.
(function($){
...
})($);
Note the jQuery was replaced with a $. Is this ok? Is it not used ...
4
Solved
Possible Duplicate:
What is the (function() { } )() construct in JavaScript?
I came across this bit of JavaScript code, but I have no idea what to make out of it. Why do I get "1" whe...
Munroe asked 29/1, 2012 at 14:17
2
Solved
In the following construct:
(function(){
var x = function(){
alert('hi!');
}
var y = function(){
alert("hi again!");
}
this.show = function(){
alert("This is show function!");
}
})();...
Libertarian asked 4/10, 2011 at 20:39
6
Solved
Possible Duplicate:
What does the exclamation mark do before the function?
I've long used the following for self-executing, anonymous functions in JavaScript:
(function () { /* magic...
Nesta asked 28/9, 2011 at 17:2
1
Solved
I've been looking at a lot of JavaScript code lately and I've seen two different ways of using assigning "public" properties of IIFE's.
The first is to create a variable and assign that variable t...
Krasnodar asked 25/8, 2011 at 21:32
3
Solved
Please explain the following way of writing a function in javascript functions :
(function (){
// some code
})()
I understand the fact that because of the trailing braces " () ", the function...
Stinkpot asked 14/6, 2011 at 8:20
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