页面下雪效果的实现代码

2024-04-27 13:59:34

字体：大中小

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<head><STYLE>th{background-color:#999999;}.trOdd{background-color:#FFFFFF;}.trEven{background-color:#CCCCCC;}</STYLE><SCR<a href="http://ip.vevb.com/">ip</a>T language="<a href="http://www.vevb.com/article.asp?typeid=160">java</a>script">/** * 自动扫描表格，描绘奇偶行的颜色 * oTable：目标表格 oddClass：奇数行的<a href="http://www.vevb.com/article.asp?typeid=38">CSS</a>样式 evenClass：偶数行的css样式 */function setRowColor(oTable,oddClass,evenClass){ resetTableColor(oTable); for(var i=1; i<oTable.rows.length; i++) { if(i % 2 == 0) oTable.rows[i].className = evenClass; else oTable.rows[i].className = oddClass; }}/** * added by LxcJie 2004.6.28 * 自动扫描表格，描绘奇偶列的颜色 * oTable：目标表格 oddClass：奇数列的css样式 evenClass：偶数列的css样式 *///more <a href="http://www.vevb.com/article.asp?typeid=36">Javascript</a> from http://www.vevb.comfunction setColColor(oTable,oddClass,evenClass){ resetTableColor(oTable); for(var i=1; i<oTable.rows.length; i++) { for(var j=0; j<oTable.rows[i].cells.length; j++) { if(j % 2 == 0) oTable.rows[i].cells[j].className = evenClass; else oTable.rows[i].cells[j].className = oddClass; } }}//清空所有tr和td的样式function resetTableColor(oTable){ for(var i=1; i<oTable.rows.length; i++) { oTable.rows[i].className = ""; for(var j=0; j<oTable.rows[i].cells.length; j++) oTable.rows[i].cells[j].className = ""; } }</SCRIPT><SCRIPT language="javascript">window.changeTag = true;function init(){ setRowColor(document.all.tableRow,'trOdd','trEven'); setColColor(document.all.tableCol,'trOdd','trEven');}function change(){ if(changeTag) { setRowColor(document.all.tableCol,'trOdd','trEven'); setColColor(document.all.tableRow,'trOdd','trEven'); changeTag = false; } else { setRowColor(document.all.tableRow,'trOdd','trEven'); setColColor(document.all.tableCol,'trOdd','trEven'); changeTag = true; }}</SCRIPT></head><body onLoad="init()"> <TABLE width="70%" border="1" cellpadding="0" cellspacing="1" bordercolor="#000000" id="tableRow"> <TR> <TH scope="col">col1</TH> <TH scope="col">col2</TH> <TH scope="col">col3</TH> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> </TABLE><P><TABLE width="70%" border="1" cellpadding="0" cellspacing="1" bordercolor="#000000" id="tableCol"> <TR> <TH width="25%" scope="col">col1</TH> <TH width="25%" scope="col">col2</TH> <TH width="25%" scope="col">col3</TH> <TH width="25%" scope="col">col4</TH> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> </TABLE><p><input type="button" value=" 交换 " onClick="change()" style="border:1px solid black; "></body>

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