Get match range value from the array in vuejs

Question

I have below types of array in my vue js. Now I want to find the value key value of match the range. So it's fall in 25 range so my output should be 25. I tried below code but it always return all the range.

let input = 5
let myarray = [25, 100, 250 ,500]
this.myarray.forEach((val, q) => {
  if(val >= input) {
    //console.log('Do something here')
  } 
});

Edit:

My input is 5 and it's fall between 0-25 so I want to get 25 value from my array. Same if my input is 30 it's fall between 25-100, in this case I want 100 as value from the array

Md Sabbir Alam · Accepted Answer · 2021-02-09 12:02:02Z

2

You can find the index of the first value that is greater then input. I am assuming the array is sorted,

let input = 5
let myarray = [25, 100, 250 ,500]
let index = myarray.findIndex(val => {
  return val >= input;
});
if(index <= -1) {
    index = myarray.length -1;
}

console.log(myarray[index]);

edited Feb 9, 2021 at 12:02

answered Jan 15, 2021 at 5:26

Md Sabbir Alam

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2 Comments

Test Human Over a year ago

Hi in the above solution when there is 0 at the beginning it returns 1 index and when 0 is not at the beginning of the array it returns it returns 0 index. I want index 0 when the 0 present at the beginning of the array

Md Sabbir Alam Over a year ago

Because it is greater than 0 but less than 25. That is why it returns 25. On the other hand, when 25 is the first index, no item is greater than 5 that is why we are returning the first index.

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