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Tag: javascript

Javascript websockets closing immediately after opening

The connection to the server is established and an alert is displayed for Connection open! However immediately afterwards the connection closes. The server does not call close and there seem to be no other errors in the console. This is happening in both chrome and firefox. I looked at a bunch of different si…

how to pass csrf_token to javascript file in django?

Here is my javascript code that works fine. but I like to keep javascript files seperate and not use as inline script tags I want to include this in my custom.js file that I have included in my base.html. which is I am not able to reference csrf_token that is available in the current template in Django to the…

How to access data of uploaded JSON file?

I have a html code like this: And I have a JSON file like this: And a simple JavaScript function: Now I want to call alert_data() with name and family that stored in JSON file which uploaded using my HTML input. Is there any way to use an HTML5 file reader or something else? I’m not using server-side pr…

Stack traces that utilise source mapping

Overview: The stack trace output in the browser console is not the same trace that is returned when Error.stack is called. The console stack trace seems to take into account sourcemaps whereas the Error.stack stack trace does not. Console Output Here is the default stack trace that is output to the console. E…

How to generate unique ID with node.js

How to set a variable value with database query callback? How I can do it? Answer It’s been some time since I used node.js, but I think I might be able to help. Firstly, in node, you only have a single thread and are supposed to use callbacks. What will happen with your code, is that base.getID query wi…

div disappears when page refreshed

Can’t figure out why the below piece of code makes the textfield disappear upon page refresh (when ‘No’ radio button selected). Also, after the page is refreshed the default radio button doesn’t get selected. Forcing refresh, fixes the problem, though. Any ideas? Answer just a short re…