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.

@rkw: Creating the function once, like robrich's answer does, is a useful way to avoid the cost of creating it on every call. You lose the fact that bar has access to the variables and arguments …

I recently stumbled upon the Object.create() method in JavaScript, and am trying to deduce how it is different from creating a new instance of an object with new SomeFunction(), and when you …

Jul 9, 2010 · 20 Functions are first class objects that can be: Defined within your function Created just like any other variable or object at any point in your function Returned from your function …

Nov 2, 2020 · Im doing a course in JavaScript. Im at the "Objects and classes" chapter, and I do not know how to solve some assignements in my homework. The first …

Feb 1, 2013 · I have a JavaScript function which creates a table with 3 rows 2 cells. Could anybody tell me how I can create the table below using my function (I need to do this for my …

May 6, 2011 · If you want to actually dynamically create the function from strings (which most of these examples do), it's trivial to rename the source to do what you want. If, however, you …

Oct 20, 2009 · In Javascript a function is an object, and can be used to construct objects out of together with the new operator. By convention, functions intended to be used as constructors …

690 Is it possible to define a global variable in a JavaScript function? I want use the trailimage variable (declared in the makeObj function) in other functions.

Dec 28, 2011 · I'm trying to use javascript to create a button that has a onclick event that calls a function defined in the head that takes in as parameter a dom object relative to the button. how …