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Tag: arrays

Extracting a list of ordered numbers from an array in Javascript

I have an array for example arr = [1,3,2,10,4,6,8] I want to extract the list of ordered numbers in that array so the result of my example is S = [[1,3],[2,10],[4,6,8]] another example arr = [13,89,81,17,7,27,5] the result has to be S = [[13,89],[81],[17],[7,27],[5]] Answer You can keep track of the previous item, and if the current is greater, push

How sum specific array values with input onChange

I’m have a list of objects I need to sum two values in array with onChange input On every change values is summed I’m create input form and it’s works but change all my mapped values at once How can i change only one item in array at once on every onChange event? Answer You can make inputValue store an

How can I implement a table with nested dropdown items?

I’m trying to make a table like this: Table elements can contain thousands of child dropdown elements. I am writing code in React and so far I have no idea and have not figured out how it can be done in a more optimized way. Right now I am trying to work with a data structure like this Current implementation

How to fetch data properly for this API? (array)

console.log screenshot Hi, I am using “fetch” method with API for my website, and this API shows book information, if books include the input title. Screenshot attached is console.log result when typing an example book title. I’d like to get every title info of each array, could anyone can help me on this? Especially I am not sure what is

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