binnng binnng

## gist:5372523
var O = {a: 1};

var n = Object.create(O, {
  a: {
    value: 2
  }
});

console.log(n); //{a: 1}

## gist:5378625
<!doctype html>
<html>
  <style type="text/css" rel="stylesheet">
    #bg{background:url(bg.png)}
  </style>

  <div id="bg"></div>

  <img src="pic.png" />
</html>

## gist:5393320
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<style>
.box{
  width: 200px;
  height: 200px;
  background: #CCC;
  display: table-cell;

## gist:5393529
<!doctype html>
<html>

<style rel="stylesheet">
.inner{
	height: 40px;
	background-color: #f33;
}

.fir{

## gist:5394044
<!doctype html>
<html>
<style rel="stylesheet">
div{
	width: 60px;
	height: 60px;
	background: url(http://xnimg.cn/modules/global-publisher/res/tl-photo.png) center no-repeat;
}

.box_shadow{

## gist:5419053
-webkit-appearance: none;

## gist:5425922
html {
filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
-webkit-filter: grayscale(100%);
}

## gist:5449490
var c = 1;
delete c; //false

d = 1;
delete d; //true

window.e = 1;
delete e; //true

## gist:5458741
@-moz-document url-prefix(){
	#feed_live .name{
		position: relative;
		top: 6px;
	}
}

## gist:5458764
<!doctype html>
<html>
<body>
<div id="nav"></div>
</body>
<script type="text/javascript">
alert(window.nav);

/**
 * 经测试
	var O = {a: 1};

	var n = Object.create(O, {
	a: {
	value: 2
	}
	});

	console.log(n); //{a: 1}
	<!doctype html>
	<html>
	<style type="text/css" rel="stylesheet">
	#bg{background:url(bg.png)}
	</style>

	<div id="bg"></div>

	<img src="pic.png" />
	</html>
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8" />
	<style>
	.box{
	width: 200px;
	height: 200px;
	background: #CCC;
	display: table-cell;
	<!doctype html>
	<html>

	<style rel="stylesheet">
	.inner{
	height: 40px;
	background-color: #f33;
	}

	.fir{
	html {
	filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
	-webkit-filter: grayscale(100%);
	}
	var c = 1;
	delete c; //false

	d = 1;
	delete d; //true

	window.e = 1;
	delete e; //true
	@-moz-document url-prefix(){
	#feed_live .name{
	position: relative;
	top: 6px;
	}
	}
	<!doctype html>
	<html>
	<body>
	<div id="nav"></div>
	</body>
	<script type="text/javascript">
	alert(window.nav);

	/**
	* 经测试