I am new to MVC and I have not written a lot of jQuery/JavaScript. I am trying to call a JavaScript function on click of a nav-tab. The nav-tabs are added to the page dynamically. I know the “name” of the specific tab which I need to call the function when clicked, but for the life of me, I cannot
Need to loop till the array inside the array has value
I need to loop(map) the array till inside array have value. If inside array is empty need to stop the loop var parent = { children: [ { id: ‘1’, title: ‘test1’, children: [ …
Querying Graphs with Gremlin
Please help me with the query on Gremlin lang I have a graph with 2 types of vertices: User and Group. I need to find friends of ‘U1’. If users have edges ( member or invite ) to ‘Group A’ need to flag them like the below result. Expected result : [ { U2: ‘Member’}, { U3: &…
Alpine.js how to bind to DOM events with dots in the name
Using Alpine.js version 2.7.3, a component can listen to DOM events using x-on:[event].[modifiers]. But what syntax is used to listen to event names that have dots, like bootstrap’s show.bs.modal? In Vue.js, this can be done by a custom directive (from this question), but I think custom directives can n…
How do I compute a digest for a given blob in big size, e.g. 5GB?
I know crypto.subtle.digest could be used to generate a digest of a given ArrayBuffer. However, when the file is large, e.g. 5GB, I always get this error Uncaught (in promise) DOMException: The requested file could not be read, typically due to permission problems that have occurred after a reference to a fil…
Firebase Functions and API Keys
Are Firebase functions a safe place to store API keys for a React App? As an example, see the following template for an axios API call in a Firebase Cloud function: cloud function template edit: added text code snippet. The question whether or not it is secure to store the API key directly in this snippet, gi…
Uncaught TypeError: Cannot read property ‘addEventListener’ of undefined error in my JS file
I gave my HTML codes on the top. JS Codes are on the down: In this case, When I hover over the cardBody element, the output must write “mouseenter”. And when I leave with the mouse, the output must “mouseover”. However, I get an error Uncaught TypeError: Cannot read property ‘add…
Accessing properties from object in `for`–`in` loop results in `undefined`
I have these two classes: I’m simply trying to call printGraph to print all the nodeIds this way: But it’s printing undefined. I can’t seem to figure out why it isn’t simply printing the nodeId. Answer you are using the wrong for loop. Try changing it to: A for..of loop should loop over the node the way you w…
FCM sent to “/topics/all” is not received
I have tried sending the FCM notification using the code below I am not receiving the notification in my browser when send the message “to”: /topics/all However if I am sending the message with “to”: my registration token, I am receiving the notification. Can some one tell me why this …
Unable to connect to socket – Vanilla JS to node.js
I am trying to work with socket.io, however I am unable to establish a connection between my client (Vanilla HTML/JS) and my server (node.js). Server code: I also have several endpoints and functions that are exposed in the same file, though they didn’t seem relevant (as far as I know), so I didn’…