赋值取值+arguments
等项目上线，写点简单的东西练练手
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> 5 <title></title> 6 <style type="text/css"> 7 p{ 8 width: 20px; 9 height: 20px; 10 cursor: pointer; 11 color: #ffffff; 12 background: #333333; 13 } 14 </style> 15 <script type="text/javascript" src="index.js"></script> 16 </head> 17 <body> 18 <p class="class1" title="title1">1</p> 19 <p class="class2" title="title2">2</p> 20 <p class="class3" title="title3">3</p> 21 <p class="class4" title="title4">4</p> 22 <p class="class5" title="title5">5</p> 23 <br/> 24 <div id="showValue"></div> 25 <br/> 26 <div id="showName"></div> 27 <br/> 28 <div id="showClass"></div> 29 <br/> 30 <input type="text" id="showInput" /> 31 <br/> 32 <textarea id="showTextarea"></textarea> 33 </body> 34 </html>
1 (function() { 2 window.onload = function() { 3 //取值、赋值 4 var getP = document.getElementsByTagName('p'); 5 var showValue = document.getElementById('showValue'); 6 var showName = document.getElementById('showName'); 7 var showClass = document.getElementById('showClass'); 8 var showInput = document.getElementById('showInput'); 9 var showTextarea = document.getElementById('showTextarea'); 10 for (var i = 0, len = getP.length; i < len; i++) { 11 getP[i].onclick = function() { 12 showValue.innerHTML = this.innerHTML; 13 showName.innerHTML = this.title; 14 showClass.innerHTML = this.className; 15 showInput.value = this.innerHTML; 16 showTextarea.innerHTML = this.innerHTML; 17 }; 18 } 19 20 //测试arguments 21 function showMe(message, callback, newCallBack) { 22 console.log(arguments[0]); 23 console.log(arguments.length); 24 for (var i = 0, len = arguments.length; i < len; i++) { 25 console.log(arguments[i]); 26 } 27 } 28 showMe("我的参数是message", "我的参数是callback", "我的参数是newCallBack"); 29 }; 30 })();
