go thru string of array and remove only 1 if found code example
Example 1: remove a specific element from an array
array.splice(array.indexOf(item), 1);
Example 2: js remove specific element from array
const array = [2, 5, 9];
console.log(array);
const index = array.indexOf(5);
if (index > -1) {
array.splice(index, 1);
}
// array = [2, 9]
console.log(array);