undefined

JavaScript's equivalent to PHP's __get() magic method

Possible Duplicate: JavaScript getter for all properties Does JavaScript provide a method to access undefined object properties? In PHP the solution is to declare and implement __get() method in class. Solutions using try { .. } catch { .. } are not sufficient for me, because I already have very large amount of code which actu...

is there any function like string.isnullorempty() in javascript

I always (thing != undefined || thing != null)?...:...; check. Is there any method will return bool after this check in javascript or jquery ? And how would you add this check in jquery as a function? ...

jQuery: Why does this selector work only some of the time?

I've got a list that looks like this: <li class = "current_parent level-0"> <a> Parent Link </a> <ul class= "children"> <li class = "level-1"> <a> Link to child </a> </li> <li class = "level-1 current_page_item"> <a> Link to child </a> </li> <li class = "level-1"> <a> Link ...

F is Undefined - Jquery

I have some jquery code that uses the live method of triggering events: $(document).ready(function() { $('.cross-link').live(function() { $('a[href=#2').click(); }); }); Where 'cross-link' elements can be generated after the DOM has loaded. Firebug reports that "F is undefined". It references the last line in ...

Getting "method undefined" when it is CLEARLY defined in JS

I have a very simple bit of code (relies on jQuery): var dom_builder = function() { this.table = function(elem,attributes) { return $("<table>").attr(attributes).appendTo(elem); } }; console.log(dom_builder.table); Now when I try to run it I get the following error: Uncaught TypeError: Object # has no method 'table'...

Why does firebug say my function call is "undefined"

I have a navigation menu which contain sub menus. On hover I want the sub menus to show after a second delay. Menu items marked with a class of "more" contain sub menus. Problem is that one of my functions called hoverCheck() is coming back as undefined when it's called. But I can't figure out why. Here's my code: $(document).ready...