1.鼠标经过时自动选择文本Code: 代码如下:鼠标划过自动选中:<input type=”text” value=”默认值” onMouseOver=”this.focus();” onfucus=”this.seelct()” />2.设置单选按钮Code: 代码如下:<html><head><meta http-equiv=”Content-Type” content=”text/html; charset=utf-8′′ /><meta name=”viewport” content=”initial-scale=1.0, user-