HTML+JAVASCRIPT+CSS实现爱心与流体字动态背景图

本文链接：https://blog.youkuaiyun.com/m0_75016054/article/details/132635063

本文通过HTML、JavaScript和CSS技术，详细介绍了如何创建一款动态的爱心与流体字背景效果。利用HTML构建基础结构，CSS进行样式设计，JavaScript实现动态效果，最终达到视觉上吸引人的交互体验。

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完整代码

<!DOCTYPE HTML>
<HTML>
<HEAD>
<TITLE>爱心流体字</TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<style>
html, body {
height: 100%;
padding: 0;
margin: 0;
background:#000;
}
canvas {
position: absolute;
width: 100%;
height: 100%;
}
</style>
</HEAD>
<BODY>
	<canvas id="c"></canvas>
  <script type="text/javascript" src="cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> 
  <script>
var c = document.getElementById("c");
var ctx = c.getContext("2d");

//making the canvas full screen
c.height = window.innerHeight;
c.width = window.innerWidth;

//chinese characters - taken from the unicode charset
var chinese = "ㅗㅈㅎ채ㅑㅛㅇㅌ메";
//converting the string into an array of single characters
chinese = chinese.split("");

var font_size = 16;//设置字体大小
var columns = c.width/font_size; //number of columns for the rain
//an array of drops - one per column
var drops = [];
//x below is the x coordinate
//1 = y co-ordinate of the drop(same for every drop initially)
for(var x = 0; x < columns; x++)
	drops[x] = 1; 

//drawing the characters
function draw()
{
	//Black BG for the canvas
	//translucent BG to show trail
	ctx.fillStyle = "rgba(0, 0, 0, 0.05)";
	ctx.fillRect(0, 0, c.width, c.height);
	
	ctx.fillStyle = "#00FFFA"; //设置字体颜色
	ctx.font = font_size + "px arial";
	//looping over drops
	for(var i = 0; i < drops.length; i++)
	{
		//a random chinese character to print
		var text = chinese[Math.floor(Math.random()*chine