I’m trying to learn how to dynamically create objects and apply functions to them with JS and HTML. How can I use a <select> dropdown’s text/value to call a function on an object as directly as possible? In the past I’ve used functions in an array, if then statement, or conditional cha…
Tag: javascript
Why does this function call throws “await is only valid in async function” Syntax Error even though the function is async?
There is a loadJson function that returns the Json of a firebase link I am trying to assign the value of loadJson() to this variable and use it in a promise. But why does this code throws the following error? Answer your problem is your await here: if you want the promise call the function without await:
How can I most easily identify bottlenecks in React render performance?
I’m having an issue with identifying bottlenecks in render performance while working on a JSON viewer. With few elements, it performs well, but at a certain point it becomes annoyingly slow. Checking the profiler, it seems that elements are rendering fast enough, but I’ve noticed a few issues that…
I’m having an issue with adding an “Auto-Moderating” feature on my Discord bot
G’day, I really need some help with the “Auto-Moderation” feature that I want to include in my very first Discord Bot, which is coded in JavaScript. Also, I am really new to this programming language and the discord.js itself, so I don’t really know how to use all the arguments properl…
Discord.js Bulk Delete command
I am trying to add a bulk delete command to my bot but when I type how many messages I want to delete, I get the following error: Here’s the code: Answer To use the parseInt(), you have to add the decimal base, so 10 -> parseInt(args[0], 10);. The snippet of code I have put above is working well.
Are tags subject to the same CORS restrictions as javascript/fetch calls?
It’s common practice to include scripts from other origins with script tags but when you use fetch calls on other origins then everything must be configured carefully other wise you will get a CORS error. Does the script tag somehow bypass CORS? How does that work? Answer The Same Origin Policy prevents…
Type Error : Cannot read property ‘name’ of null [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 y…
How to use straight and smart quotes in auto-replace script for textarea?
I’m really stuck again on how to properly combine these lines to auto-replace straight quotes into smart ones in the text area. It was working earlier, however after I added a line to fix the cursor going at the end after replacing a character. Here’s what is currently looks like: Commas, semicolo…
JavaScript: Diference in sorting behavior array of objects with keys by object property
I have two arrays with the same information but different keys. The keys of the first array are strings: The second array is indexed normally: If I try to sort them by age: In the end myOtherArray will be sorted but myArray will remain sorted by key. What am I missing here? Thanks! Answer Your first array doe…
Form continues to submit despite custom validation logic
I have developed some logic to display relevant errors when the form is submitted, but it continues to allow me to submit the form without displaying the errors. I used a flag to determine whether the form should be submitted, but it seems to be ignored, it’s just not working. Here is a minimally reprod…