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JavaScript教程
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setInterval
()函数示例
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>JavaScript setInterval 函数示例</title> </head> <body> <script type="text/javascript"> var icolor=0; var iNum=256; var iID=setInterval(setbgColor, 500); function setbgColor() { document.bgColor="#"+icolor*iNum*iNum*iNum+icolor*iNum*iNum+icolor*iNum; if((icolor+=10)>iNum) { clearInterval(iID); } } </script> </body> </html>