Answers for "remove array based on index"

javascript remove from array by index

//Remove specific value by index
array.splice(index, 1);

array remove index from array

const array = [2, 5, 9];

//Get index of the number 5
const index = array.indexOf(5);
//Only splice if the index exists
if (index > -1) {
  //Splice the array
  array.splice(index, 1);
}

//array = [2, 9]
console.log(array);

javascript array delete by index

let value = 3

let arr = [1, 2, 3, 4, 5, 3]

arr = arr.filter(item => item !== value)

console.log(arr)
// [ 1, 2, 4, 5 ]

remove array value by index js

var value = 3
var arr = [1, 2, 3, 4, 5, 3]
arr = arr.filter(function(item) {
    return item !== value
})
console.log(arr)
// [ 1, 2, 4, 5 ]