Tag: javascript

ScalaJS document.getElementById(“editor”).getAttribute(“value”) always returns null

I am trying to access the value of a textarea in scalajs like so: But it always returns null. Not sure why! I tried the same thing in plain vanilla javascript and that seems to work just fine! I am using scalajs version 1.3.1. Any help is appreciated. TIA. Answer Apparently we have to cast the results of docu…

React – unnecessary rendering

javascript reactjs

I am learning ReactJS. I would like to use functional component. In my component, I have a textbox and a clear button. My concern is – whenever I type a char from my keyboard to enter info for the text box, I see the search account called!!! in my console output. If i type 5 chars, I would see this

How to continue running functions down the chain if an error threw?

chaining javascript this throw try-catch

So, I should create some functions with chains for validating, example: and function should throw an error if something isn’t comparing. I have a problem, if something throw an error, than it doesn’t continue work, I tried to add try catch, but then tests shows me that it don’t throw an erro…

Nodejs exits after awaiting async code without error

asynchronous javascript node.js

I’m making a build script for my angular app in node. Please have a look at the snippet: Well, the mysterious is that just after await getFiles() call, the execution halts, no error neither message anywhere is shown. I’m getting crazy investigating this. Can anybody spot the issue? Thanks Answer T…

split textarea lines that starts with “-” regex jquery

javascript jquery regex split

i am trying to split each textarea line that starts with “-” or “- ” or ” -” into individual span element with specific ID 1,2,3,4 etc.. The closest regex code i found is ^-.+ but it wont work for me like it works on: https://regex101.com/r/yCOvyR/4 My current code is avail…

Make onclick inside onclick in ReactJS

javascript reactjs

Hi guys I try to make onclick inside onclick, can I run clickdelete() without handleClick(). This is my code Hope you guys understand what I’m asking 😀 Answer yes it’s possible use event.stopPropagation() so that event will not propagate to our parent div click handler.

Get all properties found in Object

javascript

I have an array of objects basically I am trying to return an object that has all the properties found in the object, and then give me the latest value. so it should give me the following result: I played around with Object.getOwnPropertyNames and Object.values, but been stuck for some time now , fairly new t…

Try catch on v if

javascript try-catch vue.js

I have a v-if that shows an error message in HTML if I set in data showError: true it appears. But when I call it in inside my catch: the alert works fine but if I send or do not appears the error message in HTML(v-if) how do i do that? Answer You need to set the member to true

Discord.js Mention, User Undefined

bots discord discord.js javascript node.js

EDIT: I have found the solution by myself, thank you everybody who sees this post! The solution is : That is the solution to this problem, it’s not the same as message.author but at least it works now! Original: I’m having a little problem with my script! Any help would be highly appreciated! Here…

How to wait for new information from a node.js server

ajax express javascript node.js

so i am making a small chat lobby project. But im having issues with getting the messages people are sending to the server, back to the clients to show them on the site. It kind of worked using a loop like this: However this is obviosly really bad, and if you started spamming, or too many clients joined, it o…