不断变化着的背景颜色 dn001 2009-06-21 08:30:00 <!--把如下代码加入<body>区域中--> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin pos = 15; TO = null; function shake_funct2(object,speed) { obj = eval(object) txt = clear_space(obj.value); if (pos == 15) { txt = txt + " "; pos = -15; } else { txt = " " + txt; pos = 15; } obj.value = txt; obj.style.width = parseInt(obj.style.width) + pos; obj = object sp = speed TO = setTimeout("shake_funct2(obj,sp)",speed); } function clear_space(text) { while (text.substring(0,1) == " ") { text = text.substring(1,text.length); } while(text.substring(text.length-1,text.length) == " ") { text = text.substring(0,text.length-1); } return text; } function end_shake_funct2(object) { clearTimeout(TO); obj = eval(object); txt = clear_space(obj.value); obj.value = txt; //alert(pos); if (pos == -15) { obj.style.width = parseInt(obj.style.width) +15; } pos = 15 } // End --> </script> <form name=myform2> <table border=0> <tr><td> 一般抖动的按钮 </td> <td align=center width=160> <input type=button value = "一般速度" style="font-size:12;width:150" onmouseover="shake_funct2(this,100)" onmouseout="end_shake_funct2(this)"> </td></tr> <tr><td> 快速抖动的按钮 </td> <td align=center width=160> <input type=button value = "更快速度" style="font-size:12;width:150" onmouseover="shake_funct2(this,50)" onmouseout="end_shake_funct2(this)"> </td></tr> </Table> </form>
