if it is array code example
Example 1: javascript check if is array
var colors=["red","green","blue"];
if(Array.isArray(colors)){
//colors is an array
}
Example 2: how to check if array
// Check if something is an Array
// just like you do with "typeof"
Array.isArray([1, 2, 3]); // true
Array.isArray('asdf'); // false