I have a client in JavaScript and a server in Node.JS. I’m trying to sign a simple text in client and send the signature along with publicKey to the server then server can verify the publicKey. Anything in client-side is OK! but I’m unable to verify the signature in server-side. I think there is n…
Tag: javascript
TypeError: if ‘false’ not working as expected
I’m doing a PWA quiz application using React.js and I’ve met the following problematic: I can get questions objects with only one answer, and some with multiple. In the case there is only one possible answer, I want to force the user to only have one possibility. To do that, I made the following a…
ReactJS Loop thru state array of object and add new field
I am learning reactjs and got an array of json object. I want to loop thru each record in the array, read the id and add/set a new field with a string value. When the looping is done, I will set the state to save the state collection. So far no luck in getting this to work. Any help is
JS select tag following an tag containing “foo”
So I’ve got this little chrome extension project and I’m trying to figure out how to find the first “ul” element on the page that comes after an “h2” element that contains a particular word. Example of what the web page would look like… However the nature of varying p…
simple toggle hook in react
I’m having problem abstracting my toggle function out to a hook. I can make the toggle right but something is wrong in this hook code: https://codesandbox.io/s/goofy-swartz-ztdfb?file=/src/App.js what’s wrong? Answer On writing this code: You actually are passing the event object to toggle functio…
Uncaught type error while using IIFE function
I’m new to Javascript.Trying to assign background images to div tag through this function: Background image Style had been correctly mapped to each div of 6 div tags. However , there is uncaught error as below: Anyone can help me understand what this error mean and how to resolve it? Answer Try to loop …
Trying to set cell in LastRow to a value following appendRow
As part of a bigger script I’m using the following to append data to my sheet The appendRow is working fine but the next line is behaving weird. On the first iteration it does nothing then on the second it puts the value in the row above. Answer Issues: Your current code appends a value to a new row by
Why props is not being passed by history.push?
SignIn.js I am redirecting the page using history.push but with it i am also passing the “username” but this username i am not able to see it in the redirected page “ADMIN.JS”.Since the username user enter that username i want to see it in the redirected page. All other content in admi…
TypeError: Incorrect type for the ‘headers’ field on ‘RequestInitializerDict’: the provided value is not of type ‘variant’
I’m new to JavaScript and I’m trying make a Github API Gateway for IFTTT(cause it can’t modify header) with JS on Cloudflare Worker. Here’s the code: And I got this error when I tried to run it: This is an older version which run well but with less flexibility: The only difference seem…
How can I send a Discord Direct Message to all users on a server on API v12?
I’m trying to update my discord bot from API v11 to API v12, and I’m having problems to send a direct message to all server users. It is not returning any error and I’m using the latest version from Discord API This is the function: Could someone help me? Answer First of all, depending on th…