JavaScript 随机改变背景颜色

Question

<INPUT TYPE = BUTTON Value = "button" onClick = "colorBackground()">

<SCRIPT LANGUAGE = JavaScript>
function colorBackground()
{
document.bgColor +=0X000008
}
</SCRIPT>
</HTML>

 

上面代码没有效果

Answer 1

以改变表格里某行背景为例：HTML<tr onmouseover='TrOver(this)' onmouseout='TrOut(this)'>JS部分TrOver = function(obj) {&nbsp;&nbsp;&nbsp; obj.className += ' over';&nbsp; };TrOut =&nbsp;function(obj) {&nbsp;&nbsp;&nbsp; obj.className = obj.className.replace(' over', '');&nbsp; };CSS部分需要自己定义over祝你成功!