黑客帝国文字下落效果
源代码如下：
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>黑客帝国文字下落</title> <style> html, body {margin:0; padding:0; background-color:#000;} #divList {width:800px; height:500px; border:solid 3px gray; margin: 0px auto; overflow:hidden; position: relative;} .divText {position: absolute;} .divText span {display:block; font-weight: bold; font-family:Courier New; } </style> <script src="http://apps.bdimg.com/libs/jquery/1.9.0/jquery.min.js"></script> </head> <body> <h1 style="text-align:center; color:gray;">黑客帝国文字下落 (<span id="spanCount">0</span>)</h1> <div id="divList"> </div> <script> function rand(min, max) { return min + Math.round(Math.random() * (max - min)); } function add() { var x = rand(0, 800); var html = ‘<div class="divText" style="left:‘ + x + ‘px; bottom:500px;">‘; var c = rand(33, 127); var c = String.fromCharCode(c); /* var color1 = []; var color2 = []; var color3 = []; var color4 = []; var color5 = []; var color6 = []; for (var i=1; i<17; i++) { var f = i.toString(16); color1.push(‘0‘ + f + ‘0‘); color2.push(f + ‘00‘); color3.push(‘00‘ + f); color4.push(‘0‘ + f + f); color5.push(f + f + ‘0‘); color6.push(f + ‘0‘ + f); } var color = [color1, color2, color3, color4, color5, color6]; var ci = rand(0, 5); */ var color = []; for (var i=1; i<17; i++) { var f = i.toString(16); color.push(‘0‘ + f + ‘0‘); } var fontSize = rand(9, 24); for (var i=1; i<17; i++) { // html += ‘<span class="s‘ + i + ‘" style="color:#‘ + color[ci][i-1] + ‘; font-size:‘ + fontSize + ‘px;">‘ + c + ‘</span>‘; html += ‘<span class="s‘ + i + ‘" style="color:#‘ + color[i-1] + ‘; font-size:‘ + fontSize + ‘px; text-shadow:0px 0px 5px #‘ + color[i-1] + ‘;">‘ + c + ‘</span>‘; } html += ‘</div>‘; $(‘#divList‘).append(html); } function run() { var x = rand(0, 100); if (x < 100) { add(); } $(‘#spanCount‘).html($(‘.divText‘).size()); $(‘.divText‘).each(function(){ var y = $(this).css(‘bottom‘); y = parseInt(y); y -= $(this).find(‘span‘).eq(0).height(); $(this).css(‘bottom‘, ‘‘ + y + ‘px‘); if (y + $(this).height() <= 0) { $(this).remove(); } }); window.setTimeout(run, 50); } run(); </script> </body> </html>