Modification of styles

JQuery allows to modify easily the styles and the CSS properties of our web page

Add or remove CSS properties

By using the methods addClass() and removeClass() we can assign or remove a CSS class from any element

<!DOCTYPE html>
<html>
    <head>
<!-- Inserted by miarroba -->
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-7294310421616689" crossorigin="anonymous"></script>
<script type='text/javascript' src='https://ads.vidoomy.com/miarroba_23335.js' async></script>
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-T2VG59');</script>
<!-- Inserted by miarroba -->
        <script src='jquery-3.4.1.min.js'></script>
        <script>
        $('#btn01').click(function() {
            $('#div01').addClass('important color');
        });
        $('#btn02').click(function() {
            $('#div01').removeClass('color');
        });
        </script>
        <style>
        .important {
            font-weight: bold;
            font-size: xx-large;
        }

        .color {
            color: #D5322D;
        }
        </style>
    </head>

    <body>
<!-- Inserted by miarroba -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-T2VG59" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Inserted by miarroba -->
        <div id='div01'>Sample text</div><br/>
        <button id='btn01'>Add classes important and color</button>
        <button id='btn02'>Remove color class</button>
    <!-- Inserted by miarroba -->
</script></noframes></noembed></noscript><script type="text/javascript" src="/hosting__contador__visitas__unicas.php?h=1579157&t=1733245327&k=e2f569681232e43744fa857388c751d6&__muid="></script>
<!-- Inserted by miarroba -->
</body>
</html>

In the example, add the styles are important and color the element with id div01 when you press the button btn01, and eliminates the color style

Manipulation of CSS properties

The method css() allows us to view or modify any property of the stylesheet of an HTML element

It has the following syntax:

css('property_name', 'value');

In case you only want to see the property, we will omit the parameter value and if we want to modify it, we'll use that parameter

<!DOCTYPE html>
<html>
    <head>
<!-- Inserted by miarroba -->
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-7294310421616689" crossorigin="anonymous"></script>
<script type='text/javascript' src='https://ads.vidoomy.com/miarroba_23335.js' async></script>
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-T2VG59');</script>
<!-- Inserted by miarroba -->
        <script src='jquery-3.4.1.min.js'></script>
        <script>
        $('#btn03').click(function() {
            $('.pcolor').css('background-color', 'yellow');
        });
        </script>        
    </head>

    <body>
<!-- Inserted by miarroba -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-T2VG59" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Inserted by miarroba -->
        <p class='pcolor' style='background-color:#FF5555'>First paragraph</p>
        <p class='pcolor' style='background-color:#55FF55'>Second paragraph</p>
        <p class='pcolor' style='background-color:#5555FF'>Third paragraph</p>
        <button id='btn03'>Change color to all paragraphs</button>
    <!-- Inserted by miarroba -->
</script></noframes></noembed></noscript><script type="text/javascript" src="/hosting__contador__visitas__unicas.php?h=1579157&t=1733245327&k=e2f569681232e43744fa857388c751d6&__muid="></script>
<!-- Inserted by miarroba -->
</body>
</html>

In the example, we have used three paragraphs different with a style for the background color different, if you push the button with id btn03 we can see that with the css method, we have changed all the paragraphs to yellow

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Secarcam's Computer Science Web

Modification of styles

Modification of styles

Add or remove CSS properties

Manipulation of CSS properties

Web page of Sergio Cárcamo Garcia dedicated to the computing and related topics such as programming languages, statistics, mathematics, etc

Modification of styles

Add or remove CSS properties

Manipulation of CSS properties

Web page of Sergio Cárcamo Garcia dedicated to the computing and related topics such as programming languages, statistics, mathematics, etc

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