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javascript操作Css

 
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例子: <html><head><title>动态改变文字颜色 </title> <style type="text/css"> body { background-color: pink; font-size: 22pt; font-weight: bold; } .red { color:rgb(255,0,0); font-style: italic; font-size: 32; } .blue { color:blue; font-size: 36; } .green { color: green; font-size: 40; } .yellow { color: yellow; font-size: 45; } </style> <script language="javascript"> function init(){ div1=document.getElementById("first"); div2=document.getElementById("second"); div3=document.getElementById("third"); div4=document.getElementById("fourth"); } function colorText(){ div1.style.left = 50; div1.style.top = 50; div1.className="red"; div2.style.left = 100; div2.style.top = 100; div2.className="blue"; div3.style.left = 150; div3.style.top = 150; div3.className="green"; div4.style.left = 200; div4.style.top = 200; div4.className="yellow"; } </script> </head> <body onLoad="init()"> <div id="first" style="position:absolute; top:50px">戌鼓断人行,秋边一雁声。</div> <div id="second" style="position:absolute; top:100px">露从今夜白,月是故乡明。</div> <div id="third" style="position:absolute; top:150px">有弟皆分散,无家问死生。</div> <div id="fourth" style="position:absolute; top:200px">有弟皆分散,无家问死生。</div> <form> <input type="button" value="移动文字位置并改变样色" onClick="colorText()"> </form> </body>
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