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JavaScript Array isArray() Method

JavaScript isArray() Method is used to determines the value passed to this method is an array. In case, if it find the argument passed is an array, the function returns true else it returns false.

Syntax:

Array.isArray(obj)

Parameter Values

Parameter	Description
obj	It is Required. It is the object to be tested

Browser Support

Method	Chrome	Edge	Firefox	Safari	Opera
isArray()	5	9.0	4	5	10.5

Here is an example of isArray() Method:

<html>
<body>
<button onclick="myArr()">Click me</button>
<p id="isArr"></p>
<script>
function myArr() 
{
  var fruits = ["Orange", "Apple", "Bananan", "Mango"];
  var x = document.getElementById("isArr");
  x.innerHTML = Array.isArray(fruits);
}
</script>
</body>
</html>

Output:

Example 2:

<html>
<body>
<script> 
function isArray() 
{ 
 document.write(Array.isArray('toolbar')); 
} 
isArray(); 
</script> 
</body>
</html>

Output:

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