Bullet comments in novels were usually implemented through javelin and CSS3. The bullet screen was a type of dynamic text generated on a web page that could be displayed on the screen of the web page with a unique effect and style.
There were many ways to create bullet comments, and one of the most common ways was to create animation effects using javelin and CSS3. This method can be implemented using CSS3's animation properties and javelin's animation effects. For example, you can use CSS3's animation properties to set the font size, color, and position, as well as javelin animation effects to create dynamic bullet screen effects.
The following is a simple example of creating an animation effect using javelin and CSS3:
```html
<!DOCTYPE html>
<html>
<head>
<title>An example of a bullet screen</title>
<style>
#my-bar {
position: relative;
width: 200px;
height: 100px;
text-align: center;
}
#my-bar input {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50% -50%);
width: 100px;
height: 100px;
background-color: #ccc;
border: none;
padding: 10px;
}
#my-bar input:focus {
background-color: #007bff;
color: #fff;
border: none;
}
#my-bar input:input-append {
background-color: #007bff;
color: #fff;
border: none;
}
#my-bar input:input-prepend {
background-color: #ccc;
color: #fff;
border: none;
}
#my-bar p {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50% -50%);
width: 100px;
height: 100px;
background-color: #ccc;
border: none;
padding: 10px;
}
#my-bar input:focus + p {
background-color: #007bff;
color: #fff;
border: none;
}
</style>
</head>
<body>
<div id=my-bar>
<input type=text nameplate = input bullet screen/>
<p>This was a bullet comment. </p>
</div>
<script>
const bar = documentgetElementById('my-bar');
baraddEventListener('input' (event) => {
const input = eventtargetfiles[0];
const png = new pngpng('barpng');
const bar = documentcreateElement('div');
barinnerText = `<img hrc =barpng alt= bullet comments/>`;
barstyleposition = 'absolute';
barstyletop = '50%';
barstyleleft = '50%';
inputappendChild(bar);
});
</script>
</body>
</html>
```
In this example, we created a single input and bullet comment element and used javelin to create a PNG image to display the bullet comments. When the user enters the bullet screen, we will display the PVP image in the browser and use the CSS properties to set the font size and color.
It was important to note that the effects of the bullet screen needed to be adjusted and modified according to specific needs, and other techniques and tools needed to be considered to achieve better effects.
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