Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Object-oriented JavaScript example</title>
</head>
<body>
<script>
const person={
name:['Syed Ahmed','Zaki'],
age:27,
gender:'male',
interests: ['music','skiing'],
bio: function(){
alert(this.name[0]+' '+this.name[1]+'is'+this.age+' years old. He likes '+this.interests[0]+this.interests[1]);
},
greeting: function(){
alert("Hi! I\'m "+this.name[0]+ '.');
}
};//this is a object
</script>
</body>
<script>
</script>
</html>