Working on an idea for a simple HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome:  For a given HTMLElement with ID in the DOM tree, it is possible to retrieve the div using its ID as the variable name. So for a di...
I keep seeing warnings not to use global variables in JavaScript, but it seems that the only reason people say that is because the clogs up the global namespace. I can imagine this being easily fixed by putting all of the variables into one big obj...
I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defi...
We all know that global variables are anything but best practice. But there are several instances when it is difficult to code without them. What techniques do you use to avoid the use of global variables?  For example, given the following scenario...
I want to get data in global variable by using the following code:  var data; d3.json ( "file.json" , function(json) {   data = json;   console.log(data); //defined }); console.log(data); //undefined   But the problem is that i just have da...
I need a few global variables that I need in all .js files.  For example, consider the following 4 files:   global.js js1.js js2.js js3.js   Is there a way that I can declare 3 global variables in global.js and access them in any of the other 3 .js...
How can I declare a global variable in JavaScript?...
Currently I am working on a legacy web page that uses a ton of JavaScript, jQuery, Microsoft client JavaScript, and other libraries. The bottom line - I cannot rewrite the entire page from scratch as the business cannot justify it.  So... it is wha...
I know that global variables are bad.  But if I am using node's module "util" in 40 files in my framework, isn't it better to just declare it as a global variable like:  util = require('util');   in the index.js file instead...
I am trying to iterate over all the globals defined in a website, but in doing so I am also getting the native browser functions.    var numf=0; var nump=0; var numo=0;  for(var p in this) {      if(typeof(this[p]) === "function"){         nu...

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