I’ve been messing around with Vue.js and Django and I added a function call to a button. The button is shown multiple times for each different type of food there is, but the alert is only shown when the very first button is clicked. What could be the cause? Django template: JS: Answer Figured it out. I …
Tag: javascript
How to get pathname in the layout file in gatsby
I am working with gasby and here the main file is always layout.js which is the parent of them all. Since it is a parent file then how can I get a location props this.props.location.pathname inside it? Here is my layout component Answer As stated in the Gatsby docs: In v1, the layout component had access to h…
Filter Object Array 1 on the basis on 2nd Object Array in Javascript(UnderscoreJS)
I wanted to filter Object Array 1 if it’s object value not exist in 2nd object Array. Non-Intersected values from 2nd array But the result is using this code is wrong. please help me here Answer Here is a solution based on underscore. b.id !== a.group -> a.id !== b.group to match your objects’ …
Some content lost while parsing string to xml
I have got some HTML code through AJAX responseText, which is 350-400 lines long. It has been stored in the variable text as string and I would like to parse it to XML. However, some of the content is removed while parsing. The result ends in the script part and none of the body part of the code can be
How to set value to parent component property when a button is clicked in Child component in Angular
I am new to Angular 7 (2+) & trying my hands on @Input & @Output. However, passing data from Parent to Child component via @Input is understood & in place. However, very basic on the other hand passing data from Child to Parent component via using @Output concept is understood & but the implem…
Setting custom directory for server files for Next.js
Rather than in the root directory, I want to keep all my backend related files inside a folder named ‘server’. The problem is now the frontend won’t load properly as it can’t find the ‘pages’ directory. I remember there was a way to set the directory somehow when initializi…
Check | Uncheck – Checkbox Array By Id
Using only JavaScript, and regarding my code, how can i check and uncheck with a checkbox as trigger the whole checkbox array? Answer You can’t give multiple elements the same ID. Give all elements the same Class and select them with getElementsByClassName like shown in my snippet.
Refactoring from classes to functions – ways to enhance in functions
I am trying to rewrite class components to functions. Often, I have an enhanced component as class property: When writing function, I have to move the enhancing outside of function body, or it will get re-mounted on each render. Table is an external Component (devexpressGrid), but I suppose it does something …
MongoDB (JS), do query opperations on one document property if available, else take other property
So let’s say I have following documents in my “Request” collection: The goal is to diplay to the user a sorted list of requests by distance from his position from nearest to farest. If pickup.coords is available it should take that as position reference for follow up expressions, else take m…
Dynamically get values of object from array
Let’s say I have an Object myBook and an array allCategories. What I want : Loop over categories to check the value of Book, for example, check if “sciencefiction” exists in my Book Object and then check it’s value What I have tried : 1) With indexOf 2) With includes Expected output : …