javascript check if in an array code example
Example 1: js test if array
if(Array.isArray(myVarToTest)) {
// myVatToTest is an array
} else {
// myVarToTest is not an array
}
Example 2: js check if array
Array.isArray([1, 2, 3]); // true
Array.isArray('asdf'); // false
Example 3: see if array contains array javascript
const found = arr1.some(r=> arr2.indexOf(r) >= 0)