how to check if element is present in array javascript code example
Example 1: get if there is a value in an array node js
myArray = Array();
if(myArray.includes(valueWeSearch))
{
}
Example 2: check value exist in array javascript
[1, 2, 3].includes(2);
[1, 2, 3].includes(4);
[1, 2, 3].includes(1, 2);
Example 3: how to check if item is in list js
var myList=["a", "b", "c"];
mylist.includes("d")
Example 4: see if array contains array javascript
const found = arr1.some(r=> arr2.indexOf(r) >= 0)
Example 5: javascript check if array is in array
var array = [1, 3],
prizes = [[1, 3], [1, 4]],
includes = prizes.some(a => array.every((v, i) => v === a[i]));
console.log(includes);