Difference between $ each and each

Share this & earn $10
kudvenkat
Published at : 14 Oct 2021
59077 views
283
9

Link for all dot net and sql server video tutorial playlists
https://www.youtube.com/user/kudvenkat/playlists?sort=dd&view=1

Link for slides, code samples and text version of the video
http://csharp-video-tutorials.blogspot.com/2015/04/difference-between-each-and-each.html

Healthy diet is very important both for the body and mind. If you like Aarvi Kitchen recipes, please support by sharing, subscribing and liking our YouTube channel. Hope you can help.
https://www.youtube.com/channel/UC7sEwIXM_YfAMyonQCrGfWA/?sub_confirmation=1

In jQuery there are 2 versions of each() method
1. .each()
2. $.each() or jQuery.each()

Please note : $ is shortcut for jQuery.

What is the difference
.each is used to iterate over the items in a jQuery collection

Example : In this example, the jQuery selector $(‘li’) returns a jQuery object collection. So to loop thru the objects in the jQuery collection we are using .each() method. Notice this method is called on the jQuery object collection, that the selector returns, so the .each() method knows the items it has to iterate over.

The callback method has 2 parameters
1) index - The index of the element
2) element - The DOM element that we are currently iterating over

Since the element is a raw DOM object, to use use jQuery methods you have to wrap it using the jQuery wrapper $ as shown below.
$(element)

Instead of using element parameter, you can also use this keyword, which also refers to the raw DOM element that we are currently iterating over. To use jQuery methods you have to wrap it using the jQuery wrapper $ as shown below.
$(this)

Replace < with LESSTHAN symbol and > with GREATERTHAN symbol.

<html>
<head>
<title></title>
<script src="jquery-1.11.2.js"></script>
<script type="text/javascript">
$(document).ready(function () {
var result = ‘’;
$(‘li’).each(function (index, element) {
result += ‘Index = ‘ + index + ‘, Value = ‘ + $(element).text() + ‘<br/>’;
//or
//result += ‘Index = ‘ + index + ‘, Value = ‘ + $(this).text() + ‘<br/>’;
});
$(‘#resultDiv’).html(result);
});
</script>
</head>
<body style="font-family:Arial">
<ul>
<li>US</li>
<li>India</li>
<li>UK</li>
<li>Canada</li>
<li>Australia</li>
</ul>
<div id="resultDiv"></div>
</body>
</html>

$.each() or jQuery.each() is used for iterating over javascript objects and arrays.

Example : In the example below intArray is a JavaScript array. So to loop thru the elements in the array we are using $.each() function. Notice this function has 2 parameters

1) The JavaScript object or array that we want to iterate over
2) The callback function that will execute on each iteration

If you want to use .each() instead of $.each() function on the intArray object, wrap it using the jQuery wrapper $ as shown below.
$(intArray).each(function (index, element) {
result += ‘Index = ‘ + index + ‘, Value = ‘ + element + ‘<br />’;
})

<html>
<head>
<title></title>
<script src="jquery-1.11.2.js"></script>
<script type="text/javascript">
$(document).ready(function () {
var intArray = [100, 200, 300, 400, 500];
var result = ‘’;

$.each(intArray, function (index, element) {
result += ‘Index = ‘ + index + ‘, Value = ‘ + element + ‘<br/>’;
});

$(‘#resultDiv’).html(result);
});
</script>
</head>
<body style="font-family:Arial">
<div id="resultDiv"></div>
</body>
</html>

Using $.each() to iterate over a JavaScript object : In this example, jsObject is a JavaScript object. In this example, $.each() is used to iterate over the JavaScript object properties.

<html>
<head>
<title></title>
<script src="jquery-1.11.2.js"></script>
<script type="text/javascript">
$(document).ready(function () {
var jsObject = {
‘USA’: ‘Washington D.C.’,
‘India’: ‘New Delhi’,
‘UK’: ‘London’,
‘Australia’: ‘Canberra’
};

var result = ‘’;

$.each(jsObject, function (key, value) {
result += key + ‘ - ‘ + value + ‘<br/>’;
});

$(‘#resultDiv’).html(result);
});
</script>
</head>
<body style="font-family:Arial">
<div id="resultDiv"></div>
</body>
</html>

In summary, .each() method is used to iterate over the items in a jQuery collection where as $.each() method is used to iterate over javascript objects or arrays.

difference between .each and jquery.eachjquery each examplejquery $.each example

Surroundings

Surroundings

Great Spot (Remastered)

Great Spot (Remastered)

Fortnite Item Shop *NEW* MINTY LEGENDS NOW AVAILABLE! [November 2nd, 2021] (Fortnite Battle Royale)

Fortnite Item Shop *NEW* MINTY LEGENDS NOW AVAILABLE! [November 2nd, 2021] (Fortnite Battle Royale)

How to make a rustic finish on a wall (European Handypeople)

How to make a rustic finish on a wall (European Handypeople)

Zedd, Elley Duhé - Happy Now (Lyrics)

Zedd, Elley Duhé - Happy Now (Lyrics)

Employed To Serve - Mark Of The Grave

Employed To Serve - Mark Of The Grave

The SIMPLEST Way To BREAK 90 In Golf - Simple Golf Tips

The SIMPLEST Way To BREAK 90 In Golf - Simple Golf Tips

Springs in combination

Springs in combination

Lil Baby Feat. Lil Uzi Vert - Commercial (Official Audio)

Lil Baby Feat. Lil Uzi Vert - Commercial (Official Audio)

This is what makes employees happy at work | The Way We Work, a TED series

This is what makes employees happy at work | The Way We Work, a TED series

Warding off Warts

Warding off Warts

Lizzy Anjorin: What Many Don't Know About My Husband & I

Lizzy Anjorin: What Many Don't Know About My Husband & I

Top 10 Weirdest Videos on YouTube

Top 10 Weirdest Videos on YouTube

In the Company of Scholars: “One Million Years of Music: The Emergence of Human Modernity”

In the Company of Scholars: “One Million Years of Music: The Emergence of Human Modernity”

Wisely Direct by ADP: Take Control of your Financial Future

Wisely Direct by ADP: Take Control of your Financial Future

İngilizce’de during ve while kelimelerinin farkları

İngilizce’de during ve while kelimelerinin farkları

This May Be....

This May Be....

Introduction to Inclined Planes

Introduction to Inclined Planes

Gaming Memes Only TRUE GAMERS Understand

Gaming Memes Only TRUE GAMERS Understand

Minecraft αλλά SQUID GAME Let's Play Kristina

Minecraft αλλά SQUID GAME Let's Play Kristina

Channel Makeover | Out in the Country is Now DIYfferent

Channel Makeover | Out in the Country is Now DIYfferent

Exclusive Look At Saints Row's Opening Missions | New Gameplay Today

Exclusive Look At Saints Row's Opening Missions | New Gameplay Today

In a Heartbeat - Animated Short Film

In a Heartbeat - Animated Short Film

Diana and Roma want to perform on the same stage / learn to compromise

Diana and Roma want to perform on the same stage / learn to compromise

Judging Sims' relationships despite the fact i'm not in one

Judging Sims' relationships despite the fact i'm not in one

The R101: "Britain's Hindenburg" | A Short Documentary | Fascinating Horror

The R101: "Britain's Hindenburg" | A Short Documentary | Fascinating Horror

How Airlines Price Flights

How Airlines Price Flights

Koinonia (Arena of Possibilities)  || 17th November

Koinonia (Arena of Possibilities) || 17th November

New Boss Doesn't Realize I Was The One Who Helped Company Keep Up And I Quit! r/MaliciousCompliance

New Boss Doesn't Realize I Was The One Who Helped Company Keep Up And I Quit! r/MaliciousCompliance

Sensible Choice - Computers & IT

Sensible Choice - Computers & IT

Remembering 9/11, Minute by Minute

Remembering 9/11, Minute by Minute

Is Lexi Rivera A Good Kisser? 😳😂😱

Is Lexi Rivera A Good Kisser? 😳😂😱

Kids storytime: We're Going on a Bear Hunt

Kids storytime: We're Going on a Bear Hunt

I Have a Tendency to Return! - Let's Play Springtrap Sim3D (Demo Version 2)

I Have a Tendency to Return! - Let's Play Springtrap Sim3D (Demo Version 2)

4 The Most Popular of Trap Nation 2017 | Ed Sheeran | Clean Bandit | Maroon 5 | Kicks N Licks

4 The Most Popular of Trap Nation 2017 | Ed Sheeran | Clean Bandit | Maroon 5 | Kicks N Licks

How to Deal with an Excess of Emails - EMAIL OVERLOAD

How to Deal with an Excess of Emails - EMAIL OVERLOAD

I played Clash Royale but in a specific order

I played Clash Royale but in a specific order

Toxins - Toxins In The Body - Toxins In Food

Toxins - Toxins In The Body - Toxins In Food

At First - Samsara [OFFICIAL VIDEO]

At First - Samsara [OFFICIAL VIDEO]

YoungBoy Never Broke Again - Seeming Like It [Official Audio]

YoungBoy Never Broke Again - Seeming Like It [Official Audio]

Fiscal and Monetary Policy in the wake of COVID: Paper 4, Distributional Impacts of Monetary Policy

Fiscal and Monetary Policy in the wake of COVID: Paper 4, Distributional Impacts of Monetary Policy

Dance Show at Extravaganza Trade Fair @  SVICC Pailles.mp4

Dance Show at Extravaganza Trade Fair @ SVICC Pailles.mp4

Work together with purchasers - Purchasing Management - Sales Training by Professional Capital

Work together with purchasers - Purchasing Management - Sales Training by Professional Capital

From Big, Worm-Eaten Pine Log on Forest Floor to Rustic Furniture with Alaskan Mill.  #58

From Big, Worm-Eaten Pine Log on Forest Floor to Rustic Furniture with Alaskan Mill. #58

Top 10 Most Famous People of All Time in the World

Top 10 Most Famous People of All Time in the World

CLASSY AND ELEGANT OUTFITS | Black Friday Fashion 2021

CLASSY AND ELEGANT OUTFITS | Black Friday Fashion 2021

You're Correct Horse

You're Correct Horse

223 Remington 100-600 Yards

223 Remington 100-600 Yards

How to get a strong recommendation letter (Get Accepted to Your Dream University Part #8)

How to get a strong recommendation letter (Get Accepted to Your Dream University Part #8)