CSS text flickering compatible with IE8
CSS Flashing Text with IE8 Compatibility
Flashing text is a common dynamic effect in web design that can attract user attention. However, due to its limited CSS support in IE8, special processing is required to achieve this effect. This article will explain how to use CSS to achieve this effect and ensure proper display in IE8.
1. Using @keyframes to Blink Text
@keyframes is a keyframe rule used in CSS3 to create animations. By defining keyframe styles, you can achieve a blinking text effect. Here’s a simple example:
@keyframes blink {
0% { opacity: 1; }
50% { opacity: 0; }
100% { opacity: 1; }
}
.blink {
animation: blink 1s infinite;
}
In the code above, we define a keyframe animation called blink, which sets the text’s opacity to 1 at 0%, 0 at 50%, and 100% respectively. We then apply this animation to the element with the class name blink. Next, let’s look at a complete example code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Text Blinking</title>
<style>
@keyframes blink { 0% { opacity: 1; }
50% { opacity: 0; }
100% { opacity: 1; }
}
.blink {
animation: blink 1s infinite;
}
</style>
</head>
<body>
<p class="blink">Welcome to geek-docs.com</p>
</body>
</html>
Output:
In the example above, we define a paragraph element and apply the class name blink to achieve a flashing text effect. This code works fine in modern browsers, but IE8 doesn’t support the @keyframes rule, so another method is needed to achieve the flashing text effect.
2. Flashing Text with JavaScript
To achieve compatibility with IE8, we can use JavaScript to achieve the flashing text effect. Here is a simple example code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Text Blinking</title>
<style>
.blink {
color: red;
}
</style>
</head>
<body>
<p id="blink">Welcome to geek-docs.com</p>
<script>
var blink = document.getElementById('blink');
setInterval(function() {
blink.style.visibility = (blink.style.visibility == 'hidden' ? '' : 'hidden');
}, 500);
</script>
</body>
</html>
Output:
In the above example, we use the JavaScript setInterval method to toggle the visibility of text every 500 milliseconds, creating a flashing text effect. This method works correctly in IE8, but be aware that flashing text effects using JavaScript may affect page performance, so use with caution.
3. Use IE8’s unique filter effect to achieve text blinking
In addition to @keyframes and JavaScript, IE8 also supports a unique filter effect to achieve text blinking. Below is a sample code:
.blink {
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
filter: alpha(opacity=100);
animation: none;
}
In the above code, we use the -ms-filter and filter properties to set the text’s transparency to 100%, thereby creating a blinking effect. Note that this method only works in IE8; other modern browsers do not support the -ms-filter and filter properties.
4. Conclusion
Through the above introduction, we’ve learned several methods for achieving blinking text in IE8, including using @keyframes, JavaScript, and IE8-specific filter effects. In actual projects, you can choose the appropriate method to achieve blinking text based on your needs and compatibility requirements to enhance the user experience and page quality.