How to define Global Arrays?

New is not a keyword. Use: Or, more succinctly: After your edit you mention that the first script block is loaded asynchronously. Your code will not work as written. data is a global variable, once it is loaded onto the page. You need to use a callback pattern to properly execute the code. Since you … Read more

blocked a frame of origin “null” from accessing a cross-origin frame – chrome

This happens because Chrome doesn’t allow frames from your hard disk to access each others’ content. Which, technically we term as Cross-origin request. Solution of the above problem is: 1. Either you host your webpage on a local web server. See the following link:What is a faster alternative to Python’s http.server (or SimpleHTTPServer)? 2. Use … Read more

Why use Redux over Facebook Flux?

Redux author here! Redux is not that different from Flux. Overall it has same architecture, but Redux is able to cut some complexity corners by using functional composition where Flux uses callback registration. There is not a fundamental difference in Redux, but I find it makes certain abstractions easier, or at least possible to implement, that would … Read more