css3和html5

浏览数：28 / 时间：2015年06月09日

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>css3的属性的设置</title>
<style>
div{
width: 100px;
height: 100px;
background: red;
position: relative;
animate:myfirst 5s linear 2s infinite alternate;
-moz-animate:myfirst 5s linear 2s infinite alternate;
-webkit-animate:myfirst 5s linear 2s infinite alternate;
-o-animate:myfirst 5s linear 2s infinite alternate;
}
@keyframes myfirst{
0% {background: red; left: 0;top: 0;}
25%{background: yellow; left: 200px; top: 0;}
50% {background: red; left: 0;top: 0;}
75%{background: yellow; left: 200px; top: 0;}
100% {background: red; left: 0;top: 0;}
}
@-moz-keyframes myfirst{

}
@-webkit-keyframes myfirst{

}
@-o-keyframes myfirst{

}
.css3{
border-radius: 20px;
box-shadow: x y 模糊程度 #888;
border-image:;
text-shadow:x y 模糊的程度 #888;
word-wrap:break-word;
transition:width 2s linear 2s;
-webkit-transition:width 2s linear 2s;
background:-webkit-linear-gradient(red,blue);
background:linear-gradient(red,blue);
}
@font-face{
font-family: myfirstfont;
src:url();
font-weight: bold;
}
div:hover
{
width:300px;
}
</style>

<style>

</style>

</head>
<body>
<div></div>
<div class="html5">
sessionstorage,localstorage:
sessionStorage用于本地存储一个会话的数据，只有在同一个会话的页面才能访问并且当会话结束后数据也随之销毁
localstorage:用于持久化的本地存储，除非主动删除数据，否则数据是永远不会过期

</div>
<script>
if(window.localstorage){}else{}
localstorage.t1=‘cdvf‘;
localstorage.[‘t2‘]=‘cfdv‘;
localstorage.setItem("t4",‘cfdesfv‘);
localstorage.getItem(‘t5‘);
localstorage.length;
localstorage.key(0);
localstorage.clear();
localstorage.removeItem(‘t1‘);
</script>
<div class="html5">
html5离线存储适合玩游戏
1,apache的配置
2,index.php引入html 头部引入mianfest
3，在foffice.mainfest中引入如下的内容
apache
4,ie版本不支持，苹果和andirod版本支持
</div>
<div class="html5">
html5的历史管理
1，改变hash值进行管理的方法
window.location.hash=ord;
window.onhashchange=function(){
var number=obj[window.location.hash.substring(1)];
2,history
history.pushstate(number,‘‘,obg++);
window.onpopstate=function(ev){
var number=ev.state||‘‘;
}
<div class="html5">
canvas
getcontext(‘2d‘)
1,填充、描边（fillStyle,strokeStyle）
2,绘制矩形（fillRect strokeRect clearRect(x,y,长，宽)
3,绘制路径(beginPath src(x,y,r,0,2M,false))
）
4,绘制文本(filltext(‘文本‘x,y,可选的最大的像素宽度)
stroketext(‘文本‘,x,y,可选的最大像素宽度)
)
audio:音频（mp3,ogg,wav）
video:视频(mp4,ogg,webm)
embed:标签定义的嵌入的内容
source:定义多个数据来源
</div>
<div class="html5">
datalist
datatime
output
data
month
time
</div>

}

</div>
<div class="html5">
html5 postmessage跨域
</div>
//a.com/index.html
<iframe src="b.com/index.html" id=‘ifr‘ frameborder="0"></iframe>
<script>
window.onload=function(){
var ifr=document.getElementById(‘ifr‘);
var targetOrigin=‘http://b.com‘;
ifr.contentWindow.postmessage(‘i am there‘,targetOrigin);
}
</script>
//b.com/index.html
<script>
window.addEventListener(‘message‘,function(event){
if(event.origin=‘http://a.com‘){
alert(event.data);
}
},false)
</script>