Conditional Rendering in React Complete Guide with Examples 2026

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  Conditional Rendering in React Conditional Rendering is one of the most useful concepts in React. It means showing different content on the screen depending on a condition. For example: If a user is logged in → show Logout If a user is not logged in → show Login If a student has passed → show Congratulations If a product is available → show Buy Now If data is loading → show Loading... React does not have a separate if rendering tag. Instead, we use normal JavaScript conditions such as if, the ternary operator, &&, and switch to decide what should appear in the UI.
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CSS Box margin property

  

  CSS Box Model -Margin Property


 1] css box model is a fundamental concept in web design that describes                                                         how elements on a webpage

 2] css box model consists of components including content, margin, border, padding .

  CSS box model explain


 1] Margin :-

             1] Margin property is use create space around html element.

            2]  Margin property CSS  individual sides top, right, bottom, left   

                                     Margin 

              1] Margin-top :-    used space to set left margin  element.

              2]  Margin-right :- use space to set left margin  element.

              3] Margin-left :- used space to set left margin of element.

             4] Margin-bottom :-  used space to set bottom margin element.

CSS Box Model -Margin

Example :-

<!DOCTYPE html>
<html>
<head>
    <title> css box model "margin"</title>
<style>
    h3
    {
        background-color: rgb(0, 255, 110);
        color: rgb(212, 48, 19);
    }
    .main
    {
        margin-left:100px;
        margin-right:100px;
        margin-top:52px;
        margin-bottom:52px;
        color:blue;
    }
    </style>
</head>
<body>
    <h3>css box model :- css Margin property<br>(margin-top ,
margin-left, margin-right, margin-bottom )</h3>
     <p class="main">Learn for the https://webdesigningtheory.blogspot.com/ </p>
</body>
</html>

CSS Box Model -Margin :-

Output:-

CSS Box Model -Margin /output





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