this is the code of App.js and this is the code of another component which returns jsx for single food item. i have passed product info object as props and this is the child of Main component if i press the ADD button in above component twice ,react throws an error saying .push() is not a function, although i…
Tag: arrays
How would I access the values of the coordinates through a NodeJS MongoDB query?
Here is my query: const ships = await ais .aggregate( [{ $match: { MMSI: 219022256 } }, { $sort: { Timestamp: -1 } }], { allowDiskUse: true, } ) .project({ _id: 0 }) .limit(1) .toArray(); Answer considering the returned values you have an Array of objects (JSON objects) at your disposal, so you would be able …
Return item data from JSON based on input into search field
I’m very new to JS/jQuery and have been struggling to add some search functionality to a site I’m building. Basically, I’ve built a simple search field (#artist_search) that I’m trying to use to search through a JSON that is connected via a GET: This GET will output the content of my J…
Javascript json object how to move changed data to a new object
I have 2 json object. the first one holds data from the client form. and in my other object, I know which fields are modified in this form. If value is true then it has changed. The plugin I use gives me this information. I want to compare these 2 objects and get a submit object with only changed data
How can I join an object with arrays into a single array using javascript?
This is what I have (wealthByDistribution) and I require a solution like (expectedArray). Please if anyone can help me, I have been trying to solve it out for quite some time. I tried the following code, but it did not work as expected. Answer By using corresponding keys, you could collect all value with year…
Find and Remove Objects from Array with Identical Property
I have two arrays of objects, one with approx. 1800 items and the second with approx. 600 items. An example of the data in each array: I need to compare the two arrays, and if the ‘ID’ value from an object in the large array is equal to the ID value from an object in the smaller array, remove the
TypeScript function that works on all numerical array types
I am trying to write a function that works on all of the JavaScript array types, e.g. on number[], Float32Array etc. It should return the same type that it gets as a parameter. A simple example would be: The function should be able to use all methods common to all array types (not just map). I also tried but …
Loop through an object by not using two for loops
I am trying to loop through an object and get the values of the properties using two for loops. I get the output as expected, but was wondering if there is a better way to do this which would prevent using two for loops. Any suggestions? (thanks for the help earlier @cybercoder) Answer You can achieve this by…
Add array to multidimensional array using js
I want to add to existing array new array: Final result: Tried var value_list = [new_array,value_list] but no success Answer this is probably what you want to do: OPTION 1 – My personal choice OPTION 2
How to pass array inputs as parameter to async function?
I got set of urls from txt file [which I am having in my local] which I got as array inputs with below code Sample output when I do console.log(testurls) [ ‘https://sample1.com’ ‘https://sample2.com’ ] How to pass the values to below function as parameter/argument to run scan on each u…