Let’s say there is an object that looks like this: Now I would like to export some of the nested values so that it can be used in various files across the app (exporting the entire object is not an option). What we could do is manually create all the required variables and export them like this: The pro…
Tag: iteration
iterate through array in javascript and return in new array
i’m totally new to coding: i want to iterate through the array input, select the positive numbers only, then put them in a new array liste and then print the new array in the console. what am i doing wrong here?!? Answer I’ll attempt to combine the points made in several other answers here, and ad…
How to iterate json consists of array elements
I am getting this object : I want this kind of table after iteration. I’ve converted it to array : console log after converting it to array I want to fill this data in table format I am working on React js, I want to do this in javascript. Any help would be appreciated. Answer Try this one.
TypeError: Cannot read property ‘_id’ of undefined ReactJs?
I am trying to get the name of a user based on the user id, using a .map() method. The code that I wrote seems good to me, however, I get the error mentioned in the question title and the page won’t render. See the image below: Here’s an image of the error stack: And here’s the code I have:
Reverse iteration in a jQuery Object?
Now while I iterate, I want to get ‘s’ first- I have tried test_data.revers() which does not work. Any solution? Answer For a defined order, you could sort the keys of the object and iterate them in descending order of the first value of the array.
Change colour on every iteration of forEach loop in javascript?
I have a function that changes the colour of an element briefly, then changes it back to the original colour. Depending on the level you’re at (it’s a puzzle game), a forEach loop then runs this function for a a certain number of times (more at higher levels). Currently the colour the element chan…
Find property value in array of objects (Javascript)
I have below array of objects. I want to check what errorCode value is present in objArray. Below is the solution that finds the key errorCode is present in an array of objects or not. If I do a console.log as shown below, I get the desired results. But I want to know what value of errorCode is present in
Typescript,’NodeListOf’ is not an array type or a string type
Converting my JS to TS strict mode. The following syntax looks fine to me but TS is complaining in the for loop on allSubMenus with: What am I missing? Answer You need to set the target compiler option to es6 or higher for NodeListOf<T> to be iterable.
Javascript – traversing through object and updating property
I’m hoping someone can point me in the right direction. I have a JavaScript object like the following … My goal is to iterate through each category/subcategory and set the value of ‘isExpandable’ depending on my logic. Can some advise how I can iterate through through each subcategory …
How to iterate over over all Unicode characters?
Is it possible to iterate over all Unicode characters (UTF-8)? Thanks! I’ve tried using: But I’m not sure how to implement it. Answer According to the docs, the parameter passed to String.fromCharCode(a) is converted calling ToUint16 and then said character is returned. You may call it with any nu…