We have two different way for doing function expression in JavaScript:  Named function expression (NFE):   var boo = function boo () {   alert(1); };   Anonymous function expression:  var boo = function () {   alert(1); };   And both of them can be...
This is a named function expression with the name test. Inside, I assign 123 to a variable, also named test. Then test is logged. The function prints its body in the console, but not 123. What is the reason for such behavior?  (function test() {   te...
I can create a recursive function in a variable like so:  /* Count down to 0 recursively.  */ var functionHolder = function (counter) {     output(counter);     if (counter > 0) {         functionHolder(counter-1);     } }   With this, functionHol...
I have used JSperf to test a small sample of code.    According to a few articles I came across, both should have similar performance with test2 having a little edge. But here it's the complete opposite. Can someone explain why the huge differenc...
In JavaScript, if I create a function expression like:  var foo = function foo() {   return 'Hello world!'; }   Is this okay? Will there be any problems that occur? Or should I do:  var foo = function baz() {   return 'Hello world!';...
I have this function on an object that I need to trace REALLY BADLY, along with the parent caller of the invocation and arguments passed to the caller.  This well works until minified:  var foo = {     FunctionToBeLogged: function GiveMeAName() {...
I'm trying to make sense of this code from another developer and my JavaScript knowledge is lacking. This function is supposed to take the header menu of a site and convert it into a mobile style menu.  I understand why jQuery is being passed in...
For a button, I need to set the function this calls, and the value used in that call, at runtime. I can do this like so:  var myfunction = /* ... */ var myvalue = /* ... */ button.setAttribute ("onclick", myfunction + "('" + myval...
So I'm looking at function expressions.  This is the code I'm playing with:  var modifiedNames = [ "Thomas Meeks",                       "Gregg Pollack",                       "Christine Wong",                       &#...

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