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HomeWeb Front-endCSS TutorialHow to implement progress bar in css3? Introduction to the implementation method of progress bar in css3

Progress bars are often used in web pages. Processes such as uploading and downloading are all displayed in the form of progress bars. Next, this article will share with you how to implement progress bars in CSS3. Interested friends can refer to it.

In the past, if you want to achieve the effect of a progress bar, you need to use javascript to achieve it. However, the emergence of CSS3 allows us to perform animations in divs and add gradients and colored elements. Let’s take a closer look below. Let’s take a look at how CSS3 implements progress bars.

We can use animation animation control in css3 to achieve the effect of the progress bar. Let’s take a brief look at the related content of animation

Syntax: animation: name duration timing-function delay iteration-count direction ;

Parameters:

animation-name: Specifies the keyframe name that needs to be bound to the selector. .

animation-duration: Specifies the time it takes to complete the animation, in seconds or milliseconds.

animation-timing-function: Specifies the speed curve of animation.

animation-delay: Specifies the delay before the animation starts.

animation-iteration-count: Specifies the number of times the animation should be played.

animation-direction: Specifies whether the animation should be played in reverse in turn.

Then let’s look at a simple css3 progress bar example code:

<div class="progress">
    <!--进度条-->
    <div class="loader-container"></div>
</div>
<!--Css3 实现。 animation 动画控制--> 
    html,body{
        margin: 0;
        height: 100%;
        width: 100%;
        overflow: hidden;
    }
    .loader-container {
        height: 100%;
        width: 55%;
        background: -webkit-linear-gradient(left,#f8dc4b,#d95a3d);
        border-radius:7px;
        box-shadow: inset 0 -2px 2px rgba(0, 0, 0, 0.2);
        animation: loader 1s linear;
    }
    .progress{
        width: 70%;
        height: 15px;
        border-radius:7px;
        margin-left: 15%;
        margin-top: 30%;
        background: -webkit-linear-gradient(left,#e4e3e4,#e4e5e4);
    }
    @keyframes loader {
        0% {
            width: 0%;
        }
        100% {
            width: 55%;
        }
    }

css3 progress bar implementation effect is as follows:

How to implement progress bar in css3? Introduction to the implementation method of progress bar in css3

The above is the entire content of this article. For further information on the various css3 properties used above, please refer to css3 Study Manual.

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