摘要：
1 2 3 1 function draw(id){ 2 var canvas = document.getElementById(id); 3 if(canvas == null){ 4 return false; 5 } 6 var context = canvas.getContext("2d"); 7 var img = new Image(); 8 img.src = 'heng.jpg'; 9 img.onload = function(... 阅读全文
摘要：
1 1 // 使图像反显 2 function draw(id){ 3 var canvas = document.getElementById(id); 4 if(canvas == null){ 5 return false; 6 } 7 var context = canvas.getContext("2d"); 8 var img = new Image(); 9 img.src = 'heng.jpg';10 img.onload = fu... 阅读全文
摘要：
div{ width:100px; height: 200px; transition: width 2s; -moz-transition: width 2s; /* Firefox 4 */ -webkit-transition: width 2s; /* Safari 和 Chrome */ -o-transition: width 2s; /* Opera */ background: #000; }transition 属性是一个简写属性，用于设置四个过渡属性：transition... 阅读全文