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How to display all items or values in an array using loop in jQuery

Topic: JavaScript / jQueryPrev|Next

Answer: Use the jQuery.each() function

The jQuery.each() or $.each() can be used to seamlessly iterate over any collection, whether it is an object or an array. However, since the $.each() function internally retrieves and uses the length property of the passed array or object. So, if you it has a property called length — e.g. {en: 'english', length: 5} — the function might not work properly.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Print Array Values with Loop</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
    $(document).ready(function(){
        var fruitsArray = ["Apple", "Banana", "Orange", "Mango", "Pineapple"];
        $.each(fruitsArray, function(index, value){
            $("#result").append(index + ": " + value + '<br>');
        });
    });
</script>  
</head> 
<body>
    <div id="result"></div>
</body>
</html>

Similarly, you can print contents of an object through a loop, as shown below:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Display Object Contents with Loop</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
    $(document).ready(function(){
        var supercarObject = {"brand": "Lamborghini", "model" : "Huracan", "origin": "Italy"};
        $.each(supercarObject, function(key, value){
            $("#result").append(key + ": " + value + '<br>');
        });
    });
</script>  
</head> 
<body>
    <div id="result"></div>
</body>
</html>

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