HTML DOM blur() 方法
定义和用法
blur() 方法用于从单选按钮上移开焦点。
语法
- radioObject.blur()
实例
下面的例子可设置或移开单选按钮上的焦点:
- <html>
- <head>
- <script type="text/javascript">
- function setFocus()
- {
document.getElementById('male').focus()
- }
- function loseFocus()
- {
document.getElementById('male').blur()
- }
- </script>
- </head>
- <body>
- <form>
- Male: <input id="male" type="radio" name="Sex" value="Male" />
- <br />
- Female: <input id="female" type="radio" name="Sex" value="Female" />
- <br />
- <input type="button" onclick="setFocus()" value="Set focus" />
- <input type="button" onclick="loseFocus()" value="Lose focus" />
- </form>
- </body>
- </html>