Question:
How to Filter all item with lowest nearest value in array using javascript?

To Filter all item with lowest nearest value in array using javascript, you just have to reset your output array when you find a closer value. 


Also, there is no need to loop 2*n times and definitely no need to loop n^2 times.

const array = [

    { id: 1, orderTotal: 50000 },

    { id: 3, orderTotal: 50000 },

    { id: 2, orderTotal: 100000 },

    { id: 4, orderTotal: 200000 },

];


const getNearestOrderValue = (arr, totalPrice) => {

    let nearestItem = [];

    let maxSmaller = 0;

    

    for (const item of arr) {

        if (item?.orderTotal > totalPrice) {

          break;

        } else if (item?.orderTotal >= maxSmaller) {

          if (item?.orderTotal > maxSmaller) {

            maxSmaller = item?.orderTotal;

            nearestItem = [];

          }

          nearestItem.push(item);

        }

    }

    return nearestItem;

}


console.log(getNearestOrderValue(array, 50000));

console.log(getNearestOrderValue(array, 120000));


Read more:

>How to allign two plots in Matplotlib?


Answered by: >Robby Cornelissen

Credit:> Stack Overflow


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