I am working on an API, and I want to return values based on some input I receive. For example, here is a body sample input Based on the fields array, I want my API to return only those values. Here is an example of the API implementation So the part where I indicate stuck here I want to loop
Calling json postData properly
Hello stackoverflow members. So I wanna call this action nested array in json to Action Component but I dont know how. If I could get some help that would be highly appriciated Answer You could change your code to something like this: data is an array with one object with two properties: action and adventure …
How to push new elements in an array as they increase in number?
I have a gird with a few nodes. As I move my mouse on the gird, the values of row and col change. For example: this code returns this on the console: These are the coordinates. The question is: How do I store these values in an array as they grow? I tried to do it with the push function
Webpage vanishes when clicking button to send data to server with jQuery
I am having a issue with HTML and jQuery programming. I am making a bulletin board with HTML and jQuery, with 2 textboxes and a button. And, I also coded with jQuery to send the data of the two textboxes to localhost:8000, which is a node.js server to log the data to the console. When I click the button, the
Javascript sort array of objects using array of priority
I have this array of objects: I want to sort these array of objects using a priority array of a specific key, say [“live”, “upcoming”, “completed”] for status, meaning all live events come first, followed by upcoming followed by completed. Answers all over the internet seem…
Performances of ‘lineTo’ method when going beyond canvas dimensions
Using a canvas context, assuming I call beginPath then twice lineTo with x=-999, y=-999 and x=50, y=50 then finally stroke, it will draw a line from the top-left corner to the (50,50) point. During the process did the top-left outside part of the line was draw from the outside or did it was draw from the visi…
How to remove falsy values from array of objects
I have an array of objects like so, I want to remove the last object from the array since it has falsy values, I tried to achieve this by writing a simple function like so That didn’t fix the issue, I also tried to use but that just returned the keys in the object, how can I achieve this, please?
How to return object from MongoDb database in findOne method
sorry if it’s easy mistake, I’ve not so much experience in JS, I’ve tried a lot of ways and I can’t resolve this problem. I can find and print my object from database, but I can’t return it to my main method. My main method (it’s in another file than methods to database): a…
document.querySelector() is not applying style
Could someone point my mistake here ? I’m trying to modify the class the property but am actually getting TypeError: Cannot read property ‘style’ of null in my Angular.js 1.x application. But when try in fiddle, I couldn’t see the error but also style is not applied. Thanks every one A…
javascript: return every possible pairs in array
the title explains it all somehow I’d like to use the method “Combination” that math has, this is the Wikipedia page to be clear: https://en.wikipedia.org/wiki/Combination I have already found the solution with two loops, I want to do it in one loop example: Answer You can use Array.flatMap(…