Top "Undefined" questions

Problem with JSON in Internet Explorer 7

IE8/Chrome,FF work well but Internet Explorer 7 is giving me headaches. I am trying to get numeric result for …

jquery json internet-explorer-7 undefined

'RTLD_NEXT' undeclared

I'm trying to compile a C program but I get the error 'RTLD_NEXT' undeclared. I think this is supposed …

c linux include cygwin undefined

How to assign string | undefined to string in TypeScript?

I want to assign a variable, which is string | undefined, to a string variable, as you see here: private selectedSerialForReplace(): …

javascript typescript undefined aurelia

Benefit of using Object.hasOwnProperty vs. testing if a property is undefined

Since hasOwnProperty has some caveats and quirks (window / extensive use in Internet Explorer 8 issues, etc.): Is there any reason to …

javascript jquery object undefined hasownproperty

"Undefined" message in jqgrid, "b.jgrid.formatter is undefined"

when I'm sending JSON response to jqgrid I get "undefined" message across it and Firebug is telling me this: b.…

jquery jqgrid undefined

HTML5 with jQuery - e.offsetX is undefined in Firefox

In my HTML5 page, I have a div with mousemove event as follows: $('#canvas').mousemove(function(e){ xpos = e.…

jquery html events undefined

Embedding Lua in C++

I've been trying to embed lua in a c++ application but to no avail since the compiler complains about "lua_…

c++ lua undefined embedding

Testing for undefined variables in Ruby a la JavaScript?

In JavaScript there's a useful way to test for a variable which has never been defined at any given point. …

javascript ruby undefined

How do I reference jQuery from my HTML/JavaScript application?

I keep getting Uncaught ReferenceError: $ is not defined error. I assume everything is ok and working. My JQuery code is …

javascript jquery html undefined referenceerror

PHPStorm: undefined variables caused by include/require

PHPStorm showed that all the variables from other files, both required and included, are undefined. I found this solution here, …

php variables undefined require phpstorm