Code to implement gradient background effects using JS and CSS
This article mainly introduces the beautiful gradient background special effects code implemented by JS and CSS, including 6 gradient effects, involving JavaScript related skills for dynamic operation of page element attributes. Friends in need can refer to it
The example in this article describes the beautiful gradient background special effects code implemented by JS CSS. Share it with everyone for your reference, the details are as follows:
The screenshot of the running effect is as follows:
The specific code is as follows:
<html>
<head>
<title>
JS配合CSS实现的漂亮渐变背景特效6个实例
</title>
<script>
var setGradient = (function() {
var p_dCanvas = document.createElement('canvas');
var p_useCanvas = !!(typeof(p_dCanvas.getContext) == 'function');
var p_dCtx = p_useCanvas ? p_dCanvas.getContext('2d') : null;
var p_isIE =
/*@cc_on!@*/
false;
try {
p_dCtx.canvas.toDataURL()
} catch(err) {
p_useCanvas = false;
};
if (p_useCanvas) {
return function(dEl, sColor1, sColor2, bRepeatY) {
if (typeof(dEl) == 'string') dEl = document.getElementById(dEl);
if (!dEl) return false;
var nW = dEl.offsetWidth;
var nH = dEl.offsetHeight;
p_dCanvas.width = nW;
p_dCanvas.height = nH;
var dGradient;
var sRepeat;
if (bRepeatY) {
dGradient = p_dCtx.createLinearGradient(0, 0, nW, 0);
sRepeat = 'repeat-y';
} else {
dGradient = p_dCtx.createLinearGradient(0, 0, 0, nH);
sRepeat = 'repeat-x';
}
dGradient.addColorStop(0, sColor1);
dGradient.addColorStop(1, sColor2);
p_dCtx.fillStyle = dGradient;
p_dCtx.fillRect(0, 0, nW, nH);
var sDataUrl = p_dCtx.canvas.toDataURL('image/png');
with(dEl.style) {
backgroundRepeat = sRepeat;
backgroundImage = 'url(' + sDataUrl + ')';
backgroundColor = sColor2;
};
}
} else if (p_isIE) {
p_dCanvas = p_useCanvas = p_dCtx = null;
return function(dEl, sColor1, sColor2, bRepeatY) {
if (typeof(dEl) == 'string') dEl = document.getElementById(dEl);
if (!dEl) return false;
dEl.style.zoom = 1;
var sF = dEl.currentStyle.filter;
dEl.style.filter += ' ' + ['progid:DXImageTransform.Microsoft.gradient( GradientType=', +( !! bRepeatY), ',enabled=true,startColorstr=', sColor1, ', endColorstr=', sColor2, ')'].join('');
};
} else {
p_dCanvas = p_useCanvas = p_dCtx = null;
return function(dEl, sColor1, sColor2) {
if (typeof(dEl) == 'string') dEl = document.getElementById(dEl);
if (!dEl) return false;
with(dEl.style) {
backgroundColor = sColor2;
};
}
}
})();
</script>
<style>
body{font:0.75em/1.4 Arial;text-align:left;margin:20px;} hr{clear:both;visibility:hidden;}
xmp{font:12px/12px "Courier New";background:#fff;color:#666; border:solid
1px #ccc;} p.example{ border:solid 1px #555;margin:0 20px 20px 0;float:left;
display:inline;margin:1em;background:#fff;width:300px;padding:40px;color:#222;font:xx-small/1.2
"Tahoma";text-align:justify;}
</style>
<body>
<p id="example1" class="example">
CSS特效代码。
</p>
<p id="example2" class="example">
各类编程源码、
</p>
<p id="example3" class="example">
精品软件
</p>
<p id="example4" class="example">
上海世博园
</p>
<p id="example5" class="example">
我家北京天安门
</p>
<p id="example6" class="example">
北京欢迎您！
</p>
<script>
setGradient('example1', '#4ddbbe', '#d449cc', 1);
setGradient('example2', '#46ddbd', '#d8b617', 0);
setGradient('example3', '#c81fc1', '#bf445f', 1);
setGradient('example4', '#2285e5', '#d769eb', 0);
setGradient('example5', '#8b4286', '#eac87d', 1);
setGradient('example6', 'black', 'white', 0);
</script>
</body>
</html>The above is the entire content of this article. I hope it will be helpful to everyone’s study. For more related content, please pay attention to the PHP Chinese website!
Related recommendations:
CSS implementation of LI icon list menu with small pictures
Pure HTML5 CSS3 production of image rotation
Realizing the sliding door effect of web pages based on HTML CSS
##
The above is the detailed content of Code to implement gradient background effects using JS and CSS. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
How to use bootstrap in vue
Apr 07, 2025 pm 11:33 PM
Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.
The Roles of HTML, CSS, and JavaScript: Core Responsibilities
Apr 08, 2025 pm 07:05 PM
HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.
Understanding HTML, CSS, and JavaScript: A Beginner's Guide
Apr 12, 2025 am 12:02 AM
WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.
How to write split lines on bootstrap
Apr 07, 2025 pm 03:12 PM
There are two ways to create a Bootstrap split line: using the tag, which creates a horizontal split line. Use the CSS border property to create custom style split lines.
How to set up the framework for bootstrap
Apr 07, 2025 pm 03:27 PM
To set up the Bootstrap framework, you need to follow these steps: 1. Reference the Bootstrap file via CDN; 2. Download and host the file on your own server; 3. Include the Bootstrap file in HTML; 4. Compile Sass/Less as needed; 5. Import a custom file (optional). Once setup is complete, you can use Bootstrap's grid systems, components, and styles to create responsive websites and applications.
How to insert pictures on bootstrap
Apr 07, 2025 pm 03:30 PM
There are several ways to insert images in Bootstrap: insert images directly, using the HTML img tag. With the Bootstrap image component, you can provide responsive images and more styles. Set the image size, use the img-fluid class to make the image adaptable. Set the border, using the img-bordered class. Set the rounded corners and use the img-rounded class. Set the shadow, use the shadow class. Resize and position the image, using CSS style. Using the background image, use the background-image CSS property.
How to use bootstrap button
Apr 07, 2025 pm 03:09 PM
How to use the Bootstrap button? Introduce Bootstrap CSS to create button elements and add Bootstrap button class to add button text
How to resize bootstrap
Apr 07, 2025 pm 03:18 PM
To adjust the size of elements in Bootstrap, you can use the dimension class, which includes: adjusting width: .col-, .w-, .mw-adjust height: .h-, .min-h-, .max-h-
