isarray code example
Example 1: if object is array javascript
Array.isArray(object);
Example 2: javascript check if is array
var colors=["red","green","blue"];
if(Array.isArray(colors)){
//colors is an array
}
Example 3: isarray
Array.isArray([1, 2, 3]); // true
Array.isArray({foo: 123}); // false
Array.isArray('foobar'); // false
Array.isArray(undefined); // false