I’m working on a web app that reads sensor data to gauge objects via socket.io. The function addNewGauge() adds an element to the component’s array of gauges, but I also want to install a socket.io listener for that element. The addNewGauge() function works, and the listener is picking up the even…
Tag: javascript
CSS variable won’t get set | Electron
I’m currently having an issue with CSS variables not being set, I’m using electron and im trying to set it like this: And i’ve my variables defined like so: The color is printed, but the variable is not being set. I’ve seen ‘BlinkFeatures’ and i’ve enabled those too, …
Why spread operator converts object param to one item array?
So in the above code, obj1 is an object. So I use spread operator in the function definition, and give it an object when invoking the function. why the result is an array with one item of that input object? What is the syntax here? I didn’t find any explanation in MDN about spread operator. Please help …
Don’t preload video, but still show “thumbnail”
I’m trying to display many video thumbnails/posters without actually loading the video… Bascially what I’ve got is the following: That hole thing is in a foreach loop and with that, it loads up to 100 videos on one page… My problem now is that this gets super slow, the more videos ther…
React JSX Dynamically changing the state of a component. Best practice and why
I am pretty new at React and am following a video on youtube and working along + adding some more on top of it. I have a button which when clicked, it decreases the value of object. In the video, the teacher copies the state to a new array, finds the index of the item, does the manipulation needed, and
Synchronous javascript: How to continue script after input value is set?
I have this javascript: function getImage(input) { status++; var base64 = $(‘#edit’).croppie(‘result’, { type: ‘base64’, size: ‘viewport’, format: ‘jpeg’, }).then(function(base64){ …
Sorting a JS array based on an array with new indices
I can’t seem to find a neat solution to this fairly simple problem. I have an array of objects likes this: Additionally, i have an array containing new array indices that i want to apply to the above items: Meaning items[0]’s new index is 2, items[1]’s new index is 0, etc… Right now i …
How to spread an object as individual arguments in a function whose declaration I cannot change?
I have an object with some properties such as; I am passing this object to a function below as shown (attachments is not important). Importantly, this function is part of an NPM Package, so I don’t want to change the function declaration. The function is declared like this: I put some breakpoint to the pushTo…
firebase storage execute code after multiple file upload
I’m trying to redirect to another page after all the file are done uploading to firebase storage. It keep executing the redirect code before finishing the uploads. Can’t figure out how to execute one after the other. This is a js scripts running on client side of the website. Answer Returned a pro…
Why do i get minus function error in cloud function node js?
I use bignumber in nodejs for cloud functions with firebase.I added BigNumber at the end thinking that it might help. I get this error in Cloud Function Log TypeError: Price.minus is not a function Answer Your typeof Price might be a string. So it needs to be converted to BigNumber. You can use TotalPrice wit…