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JS文字球状放大效果代码分享
简介很酷的放大镜放大文字的效果，超赞！先展示一下效果图：大家先运行代码试一试-------------------------------------效果演示-------------------------------------------具体代码如下J</div>
<div class="news_infos"><div id="MyContent"><p>很酷的放大镜放大文字的效果，超赞！</p>
<p>先展示一下效果图：</p>
<p><a href="javascript:;" onclick="showimg('/UploadFiles/2021-04-02/2015819162458770.png');"><img src="/UploadFiles/2021-04-02/2015819162458770.png" alt="JS文字球状放大效果代码分享" onmousewheel="return bbimg(this)" onload="javascript:resizepic(this)" border="0"/></a></p>
<p>大家先运行代码试一试-------------------------------------效果演示-------------------------------------------</p>
<p>具体代码如下</p>
<div class="htmlcode">
<pre class="brush:xhtml;">
<html>
<head>
<title>JS文字球状放大效果</title>
<meta http-equiv="imagetoolbar" content="no">
<style type="text/css">
body {cursor:crosshair;margin:0; padding:0; position:absolute; overflow:hidden; background:#000; left:0; top:0; width:100%; height:100%;}
span {position:absolute;font-family: verdana; font-weight: bold;}
</style>
<script type="text/javascript"><!--
T = "What is real";
I = 0;
o = new Array();
xm = -1000;
ym = -1000;
///////////////
rad = 80;
dim = 200;
///////////////
W = 0;
H = 0;
NX = 14;
NY = 14;
var nx;
var ny;
document.onmousemove = function(e){
if (window.event) e = window.event;
xm = (e.x || e.clientX) - (nx * .5) + dim * .5;
ym = (e.y || e.clientY) - (ny * .5) + dim * .5;
}
function resize() {
nx = document.body.offsetWidth;
ny = document.body.offsetHeight;
}
onresize = resize;
function CObj(N,i,j,c){
this.obj = document.createElement("span");
this.obj.innerHTML = c;
DOOT.appendChild(this.obj);
this.N = N;
this.To = 16;
this.x0 = i*2*W;
this.y0 = j*2*H;
this.anim = true;
this.mainloop = function(){
with (this) {
dx = xm - x0;
dy = ym - y0;
dist = Math.sqrt(dx * dx + dy * dy);
if (dist < rad) {
anim = true;
M = Math.cos(.5 * Math.PI * Math.abs(dist / rad));
c = Math.round(84 + M * 171);
with(obj.style){
left = x0 - dx * M;
top = y0 - dy * M;
zIndex = Math.round(100 + M);
fontSize = 8 + M * W * 2;
color = "RGB("+c+","+c+","+c+")";
}
} else {
if(anim){
with(obj.style){
left = x0;
top = y0;
zIndex = 0;
fontSize = 8;
color = "RGB(88,88,88)";
}
anim = false;
}
}
}
}
}
function run(){
for(i in o)o[i].mainloop();
setTimeout(run,16);
}
onload = function (){
DOOT = document.getElementById("doot");
with(DOOT.style){
left = -dim/2;
top = -dim/2;
width = dim;
height = dim;
}
resize();
W = (dim / NX) / 2;
H = (dim / NY) / 2;
K = 0;
for(var j=0;j<NY;j++){
for(var i=0;i<NX;i++){
c=T.charAt((I++)%T.length).toUpperCase();
if(c==" ")c="·";
o[K] = new CObj(K++,i,j,c);
}
}
run();
}
//-->
</script>
</head>
<body>
<span style="position:absolute;left:50%;top:50%">
<span id="doot"></span>
</span>
</body>
</html>
</pre>
</div>
<p>小伙伴们想不想实现这种酷炫的效果，<strong>直接复制代码，运行即可</strong>，抓紧试试吧，或者是再来点创新。</p>
<p>以上就是为大家分享的JavaScript文字球状放大效果代码，希望大家可以喜欢。</p></div>
</div>
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