javascript布局查看器效果代碼_javascript技巧

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<html> <head> <style> body{ margin:0 auto; width:950px; font-size:12px; text-align:center; } #wholebody{ width:950px; } .newline{/*僅應用於右側*/ clear:both; width:700px; } #top{ height:auto; } .left_square{ } .right_square{ } #topic{ height:100px; } #left{ float:left; width:250px; } #left_qq{ height:80px; } #left_inquire{ height:220px; } #left_master_page{ height:200px; } #left_online{ height:220px; } #left_keyword{ height:140px; } #left_aboutus{ height:200px; } #right{ float:left; width:700px; } #right_flash{ width:700px; height:300px; float:left; } #right_chara{ width:350px; float:left; height:200px; } #right_master_answer{ width:350px; float:left; height:200px; } #right_knowledge{ clear:both } .knowledge{ float:left; width:140px; height:360px; } #right_research{ float:left; width:50%; height:200px; } #right_recommend{ float:left; width:50%; height:200px; } </style> </head> <body> <div id="wholebody"> <div id="top"></div><!--top--> <div id="topic"></div><!--topic--> <div id="left"> <div id="left_qq"></div><!--qq--> <div id="left_inquire"></div><!--inquire--> <div id="left_master_page"></div><!--masterpage--> <div id="left_online"></div><!--online--> <div id="left_keyword"></div><!--keyword--> <div id="left_aboutus"></div><!--aboutus--> </div><!--left--> <div id="right"> <div id="right_flash"></div><!--rightflash--> <div class="newline"> <div id="right_chara"></div> <div id="right_master_answer"></div> </div> <div id="right_knowledge"> <div class="knowledge"></div> <div class="knowledge"></div> <div class="knowledge"></div> <div class="knowledge"></div> <div class="knowledge"></div> </div><!--know--> <div class="newline"> <div id="right_research">res</div> <div id="right_recommend">rec</div> </div> </div> </div> </body> <script> var divs=document.getElementsByTagName("div"); var m=0; for(i=0;i<divs.length;i++){ if(!divs[i].hasChildNodes()){ var text=document.createElement("span"); var firstdivnode=divs[i].firstchild; divs[i].appendChild(text); } switch ((m++) % 5){ case 0: divs[i].style.backgroundColor="#2F615A"; break; case 1: divs[i].style.backgroundColor="#F3F7E1"; break; case 2: divs[i].style.backgroundColor="#F7B17E"; break; case 3: divs[i].style.backgroundColor="#ED7745"; break; default: divs[i].style.backgroundColor="#214A45"; } } var spans=document.getElementsByTagName("span"); for (i=0;i<spans.length;i++){ spans[i].innerHTML=spans[i].parentNode.className; if(spans[i].parentNode.id){ spans[i].innerHTML=spans[i].innerHTML+" id: "+spans[i].parentNode.id; } } </script> </html>
[Ctrl+A 全選 注:如需引入外部Js需重新整理才能執行]

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