I am trying to post the values into validation and return the response as json rather than return view as given in the documentation. The post is made by ajax so I need to receive the response in the ajax as well. I figured out that in order to prevent refresh of the page in the returning response, I have
Author: admin@master
Casting a number to a string in TypeScript
Which is the the best way (if there is one) to cast from number to string in Typescript? In this case the compiler throws the error: Type ‘number’ is not assignable to type ‘string’ Because location.hash is a string. So which method is better? Answer “Casting” is different …
Detect click outside React component
I’m looking for a way to detect if a click event happened outside of a component, as described in this article. jQuery closest() is used to see if the target from a click event has the dom element as one of its parents. If there is a match the click event belongs to one of the children and is thus
How can I download a file using window.fetch?
If I want to download a file, what should I do in the then block below? Note: The code is on the client-side. Answer I temporarily solve this problem by using download.js and blob. It’s working for small files, but maybe not working for large files. I think I should dig Stream more.
How to add the degrees celcius symbol in JavaScript
I am trying to include the degrees Celsius symbol (°C) in my code, this is what I have and it is not working: Answer You just miss ; in ℃
JavaScript – Built in Function to Delete Multiple Keys in an Object?
In JavaScript, I can delete an object’s key with delete myObject[myKey]; Is there an efficient way to delete multiple keys using one line? Something that looks like: multiDelete myObject[keyOne, keyTwo, keyThree]; Answer Here’s a one-liner similar to what you’re requesting.
Square Brackets Javascript Object Key
Can anyone explain how the why/how the below method of assigning keys in JavaScript works? return: Answer It’s the new ES2015 (the EcmaScript spec formally known as ES6) computed property name syntax. It’s a shorthand for the someObject[someKey] assignment that you know from ES3/5: is syntactic su…
Nested Tree structure object trying to extract and get information Json object
I would like to know the correct way to create a nested Json tree Structure object in javascript. data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or id)? I have a very deep nested tree structure Json and I am given an object that can …
Google Maps having directions doesn’t work on mobile : “No Routes Found”
I wanted to have a map having directions set to a static destination. From what i saw, i gave a link as follows: Which opens up a new page with the map. I haven’t been able to replicate this on mobile (Android/Ios) however. Following error comes up on the mobile: “No Routes Found” . Can you …
Mapping object to key=value string in one line
Is there a way to convert this object: To a string with the following format? Much like mapping an object to a query string, where each property is a query parameter. I can do it like this: But I was looking for a one-line solution. Is this possible? PS: I cannot use jQuery and any of it utility functions. Th…