JavaScript Program to Create an Object and display its properties using for...in loop

JavaScript Program to Create an Object and display its properties using for...in loop

Write a JavaScript program to create an object and display its properties using for..in loop.



Source Code
<html>
<head>
    <title>For...in loop demo</title>
</head>
<body>
<h3>Programming languages are</h3>
<script type="text/javascript">
    // creating an Object 
    var languages = { first : "C", second : "Java",  
        third : "Python", fourth : "PHP",  
        fifth : "JavaScript" 
    }; 

    // iterate through every property of the 
    // object languages and print all of them 
    // using for..in loops 
    for (itr in languages)  
    { 
        document.write(languages[itr] + "<br >"); 
    }
</script>
</body>
</html>
Output