[CSS3] flex-shrink 속성 데모

[전송문: 완일봉 - Flex 레이아웃 튜토리얼: 문법편]
관련 기사:
1. [flex-grow] 속성 설명
2. [flex-shrink] 속성 프레젠테이션
3. [flex-basis] 속성 프레젠테이션
4. [flex] 속성 설명

<html>
<head>
	<meta charset="utf-8">
	<title>title>
	<style type="text/css">
	/* reset.css */
		* {
      
			padding: 0;
			margin: 0;
		}
		.bg {
      
			position: absolute;
			min-width: 100%;
			min-height: 100%;
			background-color: #bbb;
		}
		.center {
      
			width: 1300px;
			margin: 0 auto;
		}

	/* main.css */
		.header {
      
			padding: 10px;
		}
		.header h2 {
      
			text-align: center;
		}
		.header p {
      
			font-size: 1.2em;
			font-weight: bold;
			color: #fe2929;
		}
		.main-content {
      
			position: relative;
			padding: 10px;
		}
		.title {
      
			margin-bottom: 10px;
		}
		.describe {
      
			width: 100%;
			margin-left: 10px;
			background-color: #608ea5;
			border-radius: 14px;
			box-shadow: 4px 4px 4px 2px #8f8e8d, 2px 2px 2px 0px #000000;
		}

		/*      */
		.flex-container {
      
			display: -webkit-flex;
			display: flex;
		}

		/*       */
		.demo {
      
			width: 800px;
			height: 100px;
			font-weight: bold;
			background-color: white;
			border: 5px solid black;
			-webkit-transition: all 1s linear 0s;
			transition: all 1s linear 0s;
		}

		/*         */
		.demo-item {
      
			width: 100px;
		}
		.demo-item:nth-of-type(1) {
      
			background-color: coral;
		}
		.demo-item:nth-of-type(2) {
      
			background-color: lightblue;
		}
		.demo-item:nth-of-type(3) {
      
			background-color: khaki;
		}
		.demo-item:nth-of-type(4) {
      
			background-color: pink;
		}
		.demo-item:nth-of-type(5) {
      
			background-color: lightgrey;
		}
		.demo-item:nth-of-type(6) {
      
			background-color: lightgreen;
		}

		/*       */
		.tab-control {
      
			margin-top: 10px;
			padding: 5px;
			width: 800px;
			background-color: white;
			border-radius: 14px;
			box-shadow: 4px 4px 4px 2px #8f8e8d, 2px 2px 2px 0px #000000;
		}
		.tab-control:after {
      
			box-shadow: 4px 4px 4px 2px #8f8e8d;
		}
		.tab-content {
      
			position: relative;
			width: 100%;
			height: 200px;
		}
		/*    */
		.tab-header .tab-item-title {
      
			padding: 10px 0;
			width: 20%;
			width: 132.2px\9;
			font-weight: bold;
			color: purple;
			text-align: center;
			line-height: 1;
			border: 1px solid purple;
			cursor: pointer;
		}
		.tab-header .tab-item-title+.tab-item-title{
      
			margin-left: -1px;
		}
		.tab-header .tab-item-title:first-of-type {
      
			border-top-left-radius: 14px;
		}
		.tab-header .tab-item-title:last-of-type {
      
			border-top-right-radius: 14px;
		}
		.tab-header .tab-item-title.active {
      
			color: white;
			background-color: purple;
		}
		/*    */
		.tab-content .tab-item {
      
			display: none;
			position: absolute;
			top: 0;
			left: 0;
			margin-top: -1px;
			width: 100%;
			height: 100%;
			background-color: purple;
			border: 1px solid purple;
			border-radius: 0 0 14px 14px;
			box-sizing: border-box;
		}
		.tab-content .tab-item.show {
      
			display: block;
		}

		/*      */
		.dl {
      
			padding: 10px;
			color: white;
		}
		.dl-title {
      
			font-size: 1.1em;
			font-weight: bold;
			margin-bottom: 5px;
		}
		.dl-item {
      
			line-height: 1.4;
			margin-left: 20px;
			margin-bottom: 10px;
		}
		.dl-item:last-of-type {
      
			margin-bottom: 0;
		}

		/*     1    A           */
		.single .demo-item+.demo-item {
      
			flex-shrink: 0;
		}
		/*             */
		.main-content:not(.inequality) .tab-header .tab-item-title:nth-of-type(3) {
      
			font-size: 0.9em;
		}

		/*      */
		.range-wrap {
      
			position: absolute;
			margin-top: -2em;
			margin-left: 250px;
			font-weight: bold;
			line-height: 1;
			color: rgba(255, 255, 255, 0.5);
			-webkit-animation: move 10s linear infinite;
			animation: move 10s linear infinite;
		}
		/*    */
		.range-wrap input[type="range"] {
      
			margin: 0 10px;
			width: 300px;
			cursor: pointer;
		}
		/*        */
		@keyframes move {
      
			0% {
      text-shadow: 3px 3px 5px rgb(255, 0, 0);}
			16.7% {
      text-shadow: 3px 3px 5px rgb(255, 0, 255);}
			33.4% {
      text-shadow: 3px 3px 5px rgb(0, 0, 255);}
			50.1% {
      text-shadow: 3px 3px 5px rgb(0, 255, 255);}
			66.8% {
      text-shadow: 3px 3px 5px rgb(0, 255, 0);}
			83.5% {
      text-shadow: 3px 3px 5px rgb(255, 255, 0);}
			100% {
      text-shadow: 3px 3px 5px rgb(255, 0, 0);}
		}
		@-webkit-keyframes move {
      
			0% {
      text-shadow: 3px 3px 5px rgb(255, 0, 0);}
			16.7% {
      text-shadow: 3px 3px 5px rgb(255, 0, 255);}
			33.4% {
      text-shadow: 3px 3px 5px rgb(0, 0, 255);}
			50.1% {
      text-shadow: 3px 3px 5px rgb(0, 255, 255);}
			66.8% {
      text-shadow: 3px 3px 5px rgb(0, 255, 0);}
			83.5% {
      text-shadow: 3px 3px 5px rgb(255, 255, 0);}
			100% {
      text-shadow: 3px 3px 5px rgb(255, 0, 0);}
		}
	style>
head>
<body>
	<div class="bg">
		<div class="center">
			<div class="header">
				<h2>"flex-shrink"     width    h2>
				<p>flex-shrink(  ),                   ,          。p>
			div>
			<hr />
			
			<div class="main-content single">
				<h3 class="title">h3>
				<div class="range-wrap">        :400px<input type="range" min="400" max="800" value="800" />800px【<output>output>div>
				<div class="flex-container">
					<div class="item-box">
						<div class="flex-container demo">
							<div class="demo-item"> div>
							<div class="demo-item">Bdiv>
							<div class="demo-item">Cdiv>
							<div class="demo-item">Ddiv>
							<div class="demo-item">Ediv>
							<div class="demo-item">Fdiv>
						div>
						<div class="tab-control">
							<div class="tab-header flex-container">
								<div class="tab-item-title active" data-val="1">flex-shrink: 1;div>
								<div class="tab-item-title" data-val="0">flex-shrink: 0;div>
								<div class="tab-item-title" data-val="0.05">flex-shrink: 0.05;div>
								<div class="tab-item-title" data-val="0.1">flex-shrink: 0.1;div>
								<div class="tab-item-title" data-val="0.5">flex-shrink: 0.5;div>
								<div class="tab-item-title" data-val="999">flex-shrink: 999;div>
							div>
							<div class="tab-content">
								
								<div class="tab-item show">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1. "flex-shrink: 1;"                ,            "flex-shrink: 0;";dd>
										<dd class="dl-item">2.      =      -             = 400px - (100px)*6 = |-200px| = 200px;dd>
										<dd class="dl-item">3. A      =      *      = 200px*(1/100%) = 200px;dd>
										<dd class="dl-item">4. A        =      -      = 100px - 200px < 0px【    0,    0】; dd>
										<dd class="dl-item">5.      "16px",          ,        "16px"       " "; dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1. "flex-shrink: 0;"               ,     ,        ;dd>
										<dd class="dl-item">2. A      =      *      = 200px*(0/100%) = 0px;dd>
										<dd class="dl-item">3. A        =      -      = 100px - 0px = 100px【   】; dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.            "flex-shrink: 0;";dd>
										<dd class="dl-item">2. A      =      *      = 200px*(0.05/100%) = 10px;dd>
										<dd class="dl-item">3. A        =      -      = 100px - 10px = 90px; dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.            "flex-shrink: 0;";dd>
										<dd class="dl-item">2. A      =      *      = 200px*(0.1/100%) = 20px;dd>
										<dd class="dl-item">3. A        =      -      = 100px - 20px = 80px; dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.            "flex-shrink: 0;";dd>
										<dd class="dl-item">2. A      =      *      = 200px*(0.5/100%) = 100px;dd>
										<dd class="dl-item">3. A        =      -      = 100px - 100px = 0px; dd>
										<dd class="dl-item">4.      "16px",          ,        "16px"       " "; dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.            "flex-shrink: 0;";dd>
										<dd class="dl-item">2.        ≤     ,      ≤ 1,              【      】;dd>
										<dd class="dl-item">3.     ,"flex-shrink: 999;"            999/999 = 100%;dd>
										<dd class="dl-item">4.   ,A      =      *      = 200px*(999/999) = 200px;dd>
										<dd class="dl-item">5. A        =      -      = 100px - 200px < 0px,         ; dd>
									dl>
								div>
							div>
						div>
					div>
					<div class="describe">
						<dl class="dl">
							<dt class="dl-title">dt>
							<dd class="dl-item">1.                    ,             ;dd>
							<dd class="dl-item">2.               ,              ,        ;dd>
							<dd class="dl-item">3.         (     )  【800px】;dd>
							<dd class="dl-item">4.            【100px】;dd>
							<dd class="dl-item">5. 【  】     =    /100%;dd>
							<dd class="dl-item">6. 【  】   B、C、D、E、F     "flex-shrink: 0;";dd>
							<dd class="dl-item">7. 【      】         =     , ,      = 0,     ,      【IE   】;dd>
						dl>
					div>
				div>
			div>
			<hr />
			
			<div class="main-content equipartition">
				<h3 class="title">h3>
				<div class="range-wrap">        :400px<input type="range" min="400" max="800" value="800" />800px【<output>output>div>
				<div class="flex-container">
					<div class="item-box">
						<div class="flex-container demo">
							<div class="demo-item">Adiv>
							<div class="demo-item">Bdiv>
							<div class="demo-item">Cdiv>
							<div class="demo-item">Ddiv>
							<div class="demo-item">Ediv>
							<div class="demo-item">Fdiv>
						div>
						<div class="tab-control">
							<div class="tab-header flex-container">
								<div class="tab-item-title active" data-val="1">flex-shrink: 1;div>
								<div class="tab-item-title" data-val="0">flex-shrink: 0;div>
								<div class="tab-item-title" data-val="0.05">flex-shrink: 0.05;div>
								<div class="tab-item-title" data-val="0.1">flex-shrink: 0.1;div>
								<div class="tab-item-title" data-val="0.5">flex-shrink: 0.5;div>
								<div class="tab-item-title" data-val="999">flex-shrink: 999;div>
							div>
							<div class="tab-content">
								
								<div class="tab-item show">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1. "flex-shrink: 1;"                ,                   ;dd>
										<dd class="dl-item">2.          = 1*6 = 6 > 1,        =    /      = 1/6;dd>
										<dd class="dl-item">3.        =      *      = 200px*(1/6) ≈ 33.33px;dd>
										<dd class="dl-item">4.          =      -      = 100px - 33.33px = 66.67px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.   "flex-shrink: 0;"  ,       ;dd>
										<dd class="dl-item">2.          = 0*6 = 0 < 1,        =    /100% = 0/100%;dd>
										<dd class="dl-item">2.        =      *      = 200px*(0/100%) = 0px;dd>
										<dd class="dl-item">3.          =      -      = 100px - 0px = 100px【   】;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 0.05*6 = 0.3 < 1,        =    /100% = 0.05/100% = 1/20;dd>
										<dd class="dl-item">2.        =      *      = 200px*(1/20) = 10px;dd>
										<dd class="dl-item">3.          =      -      = 100px - 10px = 90px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 0.1*6 = 0.6 < 1,        =    /100% = 0.1/100% = 1/10;dd>
										<dd class="dl-item">2.        =      *      = 200px*(1/10) = 20px;dd>
										<dd class="dl-item">3.          =      -      = 100px - 20px = 80px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 0.5*6 = 3 > 1,        =    /      = 0.5/3 = 1/6;dd>
										<dd class="dl-item">2.        =      *      = 200px*(1/6) ≈ 33.33px;dd>
										<dd class="dl-item">3.          =      -      = 100px - 33.33px = 66.67px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 999*6 = 5994 > 1,        =    /      = 999/5994 = 1/6;dd>
										<dd class="dl-item">2.        =      *      = 200px*(1/6) ≈ 33.33px;dd>
										<dd class="dl-item">3.          =      -      = 100px - 33.33px = 66.67px;dd>
									dl>
								div>
							div>
						div>
					div>
					<div class="describe">
						<dl class="dl">
							<dt class="dl-title">dt>
							<dd class="dl-item">1.     :        ,         ;dd>
							<dd class="dl-item">2.        ≤ 1  ,       =    /100%,         ≤ 100%【       】;dd>
							<dd class="dl-item">3.        ≥ 1  ,       =    /     ,         = 100%【     】;dd>
							<dd class="dl-item">4.        < 1,       【          ,      】;dd>
							<dd class="dl-item">5.        ≤     【  】,         ≤ 100%【  】;dd>
						dl>
					div>
				div>
			div>
			<hr />
			
			<div class="main-content inequality">
				<h3 class="title">h3>
				<div class="range-wrap">        :400px<input type="range" min="400" max="800" value="800" />800px【<output>output>div>
				<div class="flex-container">
					<div class="item-box">
						<div class="flex-container demo">
							<div class="demo-item">Adiv>
							<div class="demo-item">Bdiv>
							<div class="demo-item">Cdiv>
							<div class="demo-item">Ddiv>
							<div class="demo-item">Ediv>
							<div class="demo-item">Fdiv>
						div>
						<div class="tab-control">
							<div class="tab-header flex-container">
								<div class="tab-item-title active" data-val="1,1,1,1,1,1">1, 1, 1, 1, 1, 1div>
								<div class="tab-item-title" data-val="0.1,0.1,0.1,0.1,0.2,0.3">0.1, 0.1, 0.1, 0.1, 0.2, 0.3div>
								<div class="tab-item-title" data-val="1,1,1,1,2,3">1, 1, 1, 1, 2, 3div>
								<div class="tab-item-title" data-val="0.1,0.1,0.1,0.1,0.3,0.3">0.1, 0.1, 0.1, 0.1, 0.3, 0.3div>
								<div class="tab-item-title" data-val="1,1,1,1,3,3">1, 1, 1, 1, 3, 3div>
								<div class="tab-item-title" data-val="333,333,333,333,999,999">333, 333, 333, 333, 999, 999div>
							div>
							<div class="tab-content">
								
								<div class="tab-item show">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.           ,      ;dd>
										<dd class="dl-item">2.          = 1*6 = 6 > 1,        =    /      = 1/6;dd>
										<dd class="dl-item">3.        =      *      = 200px*(1/6) ≈ 33.33px;dd>
										<dd class="dl-item">4.          =      -      = 100px - 33.33px = 66.67px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 0.1*4 + 0.2 + 0.3 = 0.9 < 1,           :0.1/100%, 0.2/100%, 0.3/100%,  1/10, 1/5, 3/10;dd>
										<dd class="dl-item">2. A~D      = 200px*(1/10) = 20px,E      = 200px*(1/5) = 40px,F      = 200px*(3/10) = 60px;dd>
										<dd class="dl-item">3.               ,  A~F          :80px, 80px, 80px, 80px, 60px, 40px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 1*4 + 2 + 3 = 9 > 1,           :1/9, 2/9, 3/9;dd>
										<dd class="dl-item">2. A~D      = 200px*(1/9) ≈ 22.22px,E      = 200px*(2/9) ≈ 44.44px,F      = 200px*(3/9) ≈ 66.67px;dd>
										<dd class="dl-item">3.               ,  A~F          :77.78px, 77.78px, 77.78px, 77.78px, 55.56px, 33.33px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 0.1*4 + 0.3*2 = 1,           :0.1/1, 0.3/1,  1/10, 3/10;dd>
										<dd class="dl-item">2. A~D      = 200px*(1/10) = 20px,E、F      = 200px*(3/10) = 60px;dd>
										<dd class="dl-item">3.               ,  A~F          :80px, 80px, 80px, 80px, 40px, 40px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 1*4 + 3*2 = 10 > 1,           :1/10, 3/10;dd>
										<dd class="dl-item">2. A~D      = 200px*(1/10) = 20px,E、F      = 200px*(3/10) = 60px;dd>
										<dd class="dl-item">3.               ,  A~F          :80px, 80px, 80px, 80px, 40px, 40px;dd>
									dl>
								div>
								
								<div class="tab-item">
									<dl class="dl">
										<dt class="dl-title">【      "width=400px"   】  :dt>
										<dd class="dl-item">1.          = 333*4 + 999*2 = 3330 > 1,           :333/3330, 999/3330,  1/10, 3/10;dd>
										<dd class="dl-item">2. A~D      = 200px*(1/10) = 20px,E、F      = 200px*(3/10) = 60px;dd>
										<dd class="dl-item">3.               ,  A~F          :80px, 80px, 80px, 80px, 40px, 40px;dd>
									dl>
								div>
							div>
						div>
					div>
					<div class="describe">
						<dl class="dl">
							<dt class="dl-title">dt>
							<dd class="dl-item">1.                        ;dd>
							<dd class="dl-item">2.       ≤ 1  ,         ,     ;dd>
							<dd class="dl-item">3.       ≥ 1  ,           ,       ;dd>
							<dd class="dl-item">4.        ≤     【  】,       ≤ 100%【  】;dd>
							<dd class="dl-item">5.    【      】 ,    ,        0,     ,      【IE   】;dd>
							<dd class="dl-item">6.        ,         ,    0px    ;dd>
							<dd class="dl-item">7. "flex-shrink"   ,     【            】;dd>
						dl>
					div>
				div>
			div>
		div>
	div>
	<script type="text/javascript">
		;(function(doc) {
      
			//      DOM
			var flexBox = doc.querySelectorAll('.item-box .demo'),
				range = doc.querySelectorAll('.range-wrap input[type="range"]'),
				output = doc.querySelectorAll('.range-wrap output');

			//     
			var demo1 = doc.querySelector('.single .demo .demo-item'),
				select1 = doc.querySelectorAll('.single .tab-control .tab-header .tab-item-title'),
				content1 = doc.querySelectorAll('.single .tab-control .tab-content .tab-item');

			//       
			var demo2 = doc.querySelectorAll('.equipartition .demo .demo-item'),
				select2 = doc.querySelectorAll('.equipartition .tab-control .tab-header .tab-item-title'),
				content2 = doc.querySelectorAll('.equipartition .tab-control .tab-content .tab-item');

			//        
			var demo3 = doc.querySelectorAll('.inequality .demo .demo-item'),
				select3 = doc.querySelectorAll('.inequality .tab-control .tab-header .tab-item-title'),
				content3 = doc.querySelectorAll('.inequality .tab-control .tab-content .tab-item');

			/* - - - - - - - - - - - - - - - - - - - - - - - - IE   - - - - - - - - - - - - - - - - - - - - - - - - */
			//          IE
			var IEVersion = (function() {
      
				//       userAgent   
				var userAgent = navigator.userAgent;

				//    IE<11   
				var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1;

				//    IE Edge   
				var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; 
				var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;

				if (isIE) {
      
					var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
					reIE.test(userAgent);
					var fIEVersion = parseFloat(RegExp["$1"]);
					if(fIEVersion == 7) {
      
						//      ,IE5      7
						return 7;
					} else if (fIEVersion == 8) {
      
						return 8;
					} else if (fIEVersion == 9) {
      
						return 9;
					} else if (fIEVersion == 10) {
      
						return 10;
					} else {
      
						// IE  <=7
						return 6;
					}
				} else if (isEdge) {
      
					// edge
					return 'edge';
				} else if (isIE11) {
      
					// IE11
					return 11;
				} else {
      
					//   ie   
					return -1;
				}
			})();

			//        IE
			function addHandler(element, type, handler){
      
				if(element.addEventListener){
      
					element.addEventListener(type, handler, false);
				}else if(element.attachEvent){
      
					element.attachEvent('on' + type, handler);
				}else{
      
					element['on' + type] = handler;
				}
			}

			/* - - - - - - - - - - - - - - - - - - - - - - - -      - - - - - - - - - - - - - - - - - - - - - - - - */
			//       
			function chgBox(ele, type) {
      
				// IE   "input"  ,  "change"  
				if (IEVersion !== -1 && type === 'input') {
      
					type = 'change';
				}
				for (var i = 0; i < ele.length; i++) {
      
					output[i].value = ele[i].value + 'px';
					addHandler(ele[i], type, function(i) {
      
						return function() {
      
							flexBox[i].style.width = ele[i].value + 'px';
							output[i].value = ele[i].value + 'px';
						}
					}(i));
				}
			}

			/* - - - - - - - - - - - - - - - - - - - - - - - -    - - - - - - - - - - - - - - - - - - - - - - - - */
			//        :       data-val    【demo3】
			function getVal(select) {
      
				var valArr = [];	//      ,          
				//       ,                
				for (var i = 0; i < select.length; i++) {
      
					//       
					valArr.push(select[i].getAttribute('data-val').split(','));
				}
				//     
				return valArr;
			}

			//     
			function chgStyle(demo, select, content) {
      
				var len = select.length;
				for (var i = 0; i < len; i++) {
      
					addHandler(select[i], 'click', function(i) {
      
						return function() {
      
							//     
							for (var j = 0; j < len; j++) {
      
								select[j].className = select[j].className.replace(' active', '');
								content[j].className = content[j].className.replace(' show', '');
							}

							//     
							select[i].className += ' active';
							content[i].className += ' show';

							//     
							if (demo === demo1) {
      
								//     
								demo.style.flexShrink = select[i].getAttribute('data-val');
								demo.style.webkitFlexShrink = select[i].getAttribute('data-val');

								//    data       :
								// demo.style.flexShrink = select[i].dataset.val;
							//       
							} else if (demo === demo2) {
      
								//            
								for (var n = 0; n < demo.length; n++) {
      
									demo[n].style.flexShrink = select[i].getAttribute('data-val');
									demo[n].style.webkitFlexShrink = select[i].getAttribute('data-val');
								}
							//        
							} else {
      
								//           (demo3  )
								var val = getVal(select);
								//           (          ),     
								for (var n = 0, k = 0; n < demo.length, k < val[i].length; n++, k++) {
      
									demo[n].style.flexShrink = val[i][k];
									demo[n].style.webkitFlexShrink = val[i][k];
								}
							}
						}
					}(i));
				}
			}

			function bindEvent() {
      
				chgBox(range, 'input');
				chgStyle(demo1, select1, content1);
				chgStyle(demo2, select2, content2);
				chgStyle(demo3, select3, content3);
			}

			function init() {
      
				bindEvent();
			}

			init();

		})(document);
	script>
body>
html>

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