const person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"}; Im trying to concatenate firstName and lastName to get another object. const person
I'm trying to develop DApp on polygon blockchain. Basically I'm minting NFT but after few mints I get this error. It even happens when I don't mint NFT. Here is
Check my OHLC Data for Plotting Candlesticks with Trading View API. I am using this HTML and Script to Plot the Data : <!DOCTYPE html> <html> <he
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*** UPDATED object structure *** I'd like to update recursively the property values of mainObject from the properties that exist in updatingObject. let mainObje
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I'm trying to create a whitelist for an NFT using a Merkle tree to save on gas costs. I saw a great implementation here, in javascript, but I would like to do
Unable to set default cookies in nodejs working fine in contact can anyone see what I am doing wrong the call from front end is handled let handleSignInS u
Implementing a Log in system with React Context API. When submitted the form with user credentials, getting an error. Error: Unhandled Rejection (TypeError): di
How to programm a bit byte converter/ calculator with this table using javascript and this html code <table> <tbody><tr><td class="uni
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I'm trying to allow drawing using touch on the HTML canvas, but it scrolls the window when I try to draw. I've tried using preventDefault() on the event functio
I am working on an electron JS based app, and I have a a discord webhook that logs the happenings. When the ASAR is unpacked (which anyone with knowledge can do
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i need to cover my code with some unit tests and in one of then i have the following situation. app.tsx async someMethod( . . . windo
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i have issue on web3.eth.defaultAccount = web3.eth.getAccounts(); below is the code. it said Uncaught (in promise) TypeError: Cannot read properties of undefine
I'm accessing the webcam and trying to take a picture. this is what it looks like before capturing the pic. But this is what I'm getting after taking the pictu
It is my first time publishing package to NPM. I have published simple React + TypeScript component to NPM, but when I installed and tested it, I am getting the