Question

How to count array elements with values in a given range with JavaScript

Answer 1

function countValuesInRange(arr, from, to) {
    let count = 0;
    const size = arr.length;
    for (let i = 0; i < size; i++) {
            if (arr[i] >= from && arr[i] <= to)
                count++;
    }
    return count;
}
         
         
const arr = [ 3, 6, 0, 17, 9, 1, 8, 7, 4, 10, 18, 11, 20, 3 ];
const from = 5, to = 12;
   
console.log(countValuesInRange(arr, from, to));
  
 
 
  
      
         
/*
run:
         
6
         
*/

 

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