本文實例講述了javascript繪制漂亮的心型線效果實現方法。分享給大家供大家參考，具體如下：
運行效果截圖如下：
具體代碼如下：
<!DOCTYPE HTML><html><head><meta charset="utf-8"><title>JS心型線</title><style>div{ position:absolute;}.xx-box{ left:50%; top:50%; margin-left:-250px; margin-top:-250px; width:500px; height:500px; background-color:#000;}.xx-box .text{ top:30%; height:48px; line-height:48px; color:#f00; text-shadow: 3px 3px 4px #f00; font-size:36px; font-weight:bold; width:100%; text-align:center; font-family:Tangerine,Tahoma,Arial,"/65f6/5c1a/4e2d/9ed1/7b80/4f53","/5b8b/4f53";}.xx-box .item{ width:2px; height:20px; overflow:hidden;}</style></head><body><div class="xx-box" id="xx-box"> <div class="text">I Love You</div></div><script>function createPoint(x,y,c){ var div = document.createElement("div"); div.className = "item"; div.style.left = x + "px"; div.style.top = y + "px"; div.style.backgroundColor = c; document.getElementById("xx-box").appendChild(div);}function heartShape(r,dx,dy,c){//r:大小;dx:水平偏移;dy:垂直偏移;c:顏色 var m,n,x,y,i; for(i = 0; i <= 200; i += 0.04){ m = i; n = -r * (((Math.sin(i) * Math.sqrt(Math.abs(Math.cos(i)))) / (Math.sin(i) + 1.4)) - 2 * Math.sin(i) + 2); x = n * Math.cos(m) + dx; y = n * Math.sin(m) + dy; createPoint(x,y,c); }}heartShape(80,250,100,"#f00");</script></body></html>更多關于JavaScript相關內容感興趣的讀者可查看本站專題：《JavaScript動畫特效與技巧匯總》、《javascript面向對象入門教程》及《JavaScript數據結構與算法技巧總結》
希望本文所述對大家JavaScript程序設計有所幫助。
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