Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 7 months ago. Improve this question I need to find the letters which have the same letter before and after. U…
Tag: javascript
How to retrieve first object’s property names of an object array?
I have an object array with below structure and I need to get first object’s property names alone from this array and not values. My result should only have [“Name” , “Account”, “Status”]. I tried below lines of code but the result was not as expected. I am getting th…
how to make var return 0.00 instead of NaN?
Im working on a price calculator at the moment but in the var proapp2 it will show NaN when the pro app Benutzer slider is 0 how can i make it show 0.00 instead of NaN? i tried if (isNaN(proapp2)) proapp2 = 0.00; but it didnt work?What am i doing wrong?Also i want it to return 0.00 instead of 0.i
JavaScript validation for username and password not working in html file
I am creating a program called “Login & Sign-up Form”. The program involve Java Servlet, HTML, CSS which are working fine and JavaScript which i am having problem. I am using JavaScript to validate the username, password and email before submitting them. However, when i click on the “Sub…
Discord.js v13 code breaks when upgrading to v14
I’ve just updated my discord.js from v13 to v14 and there are many errors. Errors with intents: Errors with interactions: Errors with channels: Errors with builders and embeds: Errors with enums: Answer Discord.js v14 includes many breaking changes. It now requires Node 16.9 or higher to use, so make su…
Object inside an array keep the old obj reference after changing obj value
could someone please explain me this: how come the array is keeping the old obj ref? Answer You are confusing an object reference and the object itself. In your code obj is a reference (an address) to the actual object {name: ‘puki’} The array also stores the reference (the address) to the actual …
Count frequency of different key values in Javascript object?
Looking for a very simple, elegant solution to count the frequency of different values in a javascript object. For example: I could probably loop over everything manually, but is there a simple and elegant solution, probably using reducers? Answer a reduce and a forEach. Object.entries to get the entries of e…
Typescript Array Push wiping string value
I am trying to build an angular app for a personal project and my first webform is exhibiting behavior I don’t understand. I have an interface as follows with a service to update an array of that interface. The array is instantiated in the service from existing json. My component uses a checkItemForm to…
How can I fetch data points belonging to a map bounding box?
I am plotting thousands of data points on a map, and at any point I want to fetch the data points falling in a particular map bounding box. For example, attached below is the complete view of the available data points, If I zoom in a bit, i will have fewer points and I want to fetch the data associated
Printing a HTML + JavaScript variable from an external js to an index.html file using fetch + node.js
I was under the impression I could use node.js to do this but you cannot b/c of reasons given by the answer. Essentially I just wanted to use fetch and that’s all you really need. Here is a very basic way of using it. Here was the non-working node.js code: index.js Inside fetchWeatherJSON().then(……