How to use jQuery to achieve image flashing effect

1. Introduction

In a website, the visual effects of pictures play an important role in increasing the attractiveness and beauty of the page. Among them, the flashing effect of the picture can enhance the dynamic feeling of the page and bring a better user experience to the user. This article will introduce how to use jQuery to achieve the flashing effect of images.

2. Implementation steps

1. Reference the jQuery library file

To reference the jQuery library file in the HTML file, you can use jQuery's CDN link or download it for local storage.

<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

2. Prepare picture material

In this example, we will use a gif picture named "Flash". You can find more related picture materials to achieve different effects.

3. Set the image style

Set the style for the image so that the image is displayed in the center of the page.

img{
    display:block;
    margin:0 auto;
}

4. Realize picture flickering

Use jQuery's timer function setInterval() to alternately replace the src attribute of the picture at a specific time interval to achieve the effect of picture flickering.

$(document).ready(function(){
    setInterval(function(){  
        $("img").attr("src", "闪烁.gif");
        $("img").fadeIn(100).fadeOut(100);  
    }, 1000);  
});

Among them, fadeIn() and fadeOut() are functions in jQuery that control the fade-in and fade-out of images. 100 represents the fade-in and fade-out time, in milliseconds. Here the picture flashing time is set to 1 second.

3. Effect display

Through the above code, we have achieved the effect of image flashing. Users can watch the flashing effect of pictures in real time on the page, achieving the purpose of enhancing visual effects and improving user experience.

4. Summary

Through the introduction of this article, we can see that it is very simple to use jQuery to achieve the flashing effect of images. At the same time, we can also see the powerful functions of jQuery, which provides web developers with a more convenient and efficient development method. I believe this article will be helpful for everyone to learn jQuery, thank you for reading!

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