日期:2014-05-17 浏览次数:20522 次
<script> function color(color){ document.getElementById("div").style.color=color; } </script> <div id='div'>请更换文字颜色</div> <select name="changecolor" onchange='color(this.value);'> <option value="black" selected>---黑色---</option> <option value="red">---红色---</option> <option value="green">---绿色---</option> <option value="blue">---蓝色---</option> <option value="yellow">---黄色---</option> </select>
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<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> //包含jquery库,百度下
//用js就可以,类似下面这样。。
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery('select[name=changecolor]').change(function(){
//alert(jQuery(this).val());
//改变颜色
jQuery(this).attr('selected',true);
jQuery(this).siblings().attr('selected',false);
});
});
</script>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title> new document </title> <meta name="generator" content="editplus" /> <meta name="author" content="" /> <meta name="keywords" content="" /> <meta name="description" content="" /> <script type="text/javascript" > //var tgs = new Array('div','td','tr'); var tgs = new Array('td','tr','div','span','a','html'); var szs = new Array( 'black','red','green','blue','yellow','yellow'); var startSz = 2; function tsize( trgt,inc ) { if (!document.getElementById) { return } var d = document,cEl = null,sz = startSz,i,j,cTags; sz = inc; if ( sz < 0 ) { sz = 0; } if ( sz > 6 ) { sz = 6; } startSz = sz; if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ]; cEl.style.color = szs[ sz ]; for ( i = 0 ; i < tgs.length ; i++ ) { cTags = cEl.getElementsByTagName( tgs[ i ] ); for ( j = 0 ; j < cTags.length ; j++ ) { cTags[ j ].style.color = szs[ sz ]; } } } function color(color){ tsize('body',color); } </script> </head> <body> <div id='div'>请更换文字颜色</div> <select name="changecolor" onchange='color(this.value);'> <option value="0" selected>---黑色---</opt