按钮选中文本框内所有内容 dn001 2009-06-21 08:34:21 <!--要完成此效果把如下代码加入到<head>区域中--> <SCRIPT LANGUAGE="javascript"> function wh_showStatus(){ if (wh_StatusType == "left") { wh_StatusText = " " + wh_StatusText; } else if (wh_StatusType == "right") { wh_StatusText = wh_StatusText.substring(1,wh_StatusText.length); } if (wh_StatusText == "" || wh_StatusText.length > 80) { wh_StatusText = "Welcome to JavaScript Fairyland"; if (wh_StatusType == "right") { while (wh_StatusText.length < 80) wh_StatusText = " " + wh_StatusText; } } status = wh_StatusText; setTimeout("wh_showStatus()",wh_StatusSpeed); } wh_StatusText = "欢迎光临 网页教学网"; wh_StatusSpeed = 1000; wh_StatusType = "left"; if (wh_StatusType == "right") { while (wh_StatusText.length < 80) wh_StatusText = " " + wh_StatusText; } setTimeout("wh_showStatus()",wh_StatusSpeed); </SCRIPT>
