Although a plethora of posts have been dedicated to the topic, I still couldn’t find a satisfying idea how to subset object properties of any depth. More so, I would also like to rename the selected keys on the fly. What I’m aiming to achieve is a generic function, let’s call it select(), th…
Tag: object-literal
javascript object literals — formula
I’m supposed to declare an object literal, accepting a parameter that gets the radius of the circle. Then returns the area of the circle. Not sure how to implement the formula A = PIr^2 This is what I have so far. Am I in the right direction? Answer I am not sure why you have the a and b property.
Turn an object to a square bracket string (not using JSON.stringify)
I have this Javascript object (that is created on-the-fly by my plugin code): I don’t want to turn this object to a JSON string, but I want to turn this object into another object, but with each field represented by a string, like this: Scenario: I dont know how the original object will look like (or ho…
Call functions from function inside an object (object literal)
I’m learning to use object literals in JS, and I’m trying to get a function inside an object to run by calling it through another function in the same object. Why isn’t the function “run” running when calling it from the function “init”? Answer That code is only a dec…
How to Sort a JS Object Literal?
If I have this JS object literal: How can I create a new, sorted object literal: Answer Re: How to sort a JS Object? Answer: You can’t. So instead, you need a more sophisticated data structure. You have many options: You can use a separate array to hold the order of the object’s keys. (This is wha…
JavaScript property access: dot notation vs. brackets?
Other than the obvious fact that the first form could use a variable and not just a string literal, is there any reason to use one over the other, and if so under which cases? In code: Context: I’ve written a code generator which produces these expressions and I’m wondering which is preferable. An…
How to create an array of object literals in a loop?
I need to create an array of object literals like this: In a loop like this: The value of key should be results[i].label in each element of the array. Answer