The JavaScript array includes() method is used to check whether the given array contains the specified element.
Syntax:
array.includes (element,start)
Parameters:
element: It represents the value that has to be searched. It is required.
start: It represents the index from where the search starts. It is optional.
Returns:
Returns true if the given array contains the specified element else returns false.
Example:
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<script>
var a = ["GOLD","SILVER","DIAMOND","RUBY","PLATINUM"]
var result=a.includes("DIAMOND");
document.writeln(result);
</script>
</body>
</html>