HTML DOM blur() 方法
定义和用法
focus() 方法用于从下拉列表中移开焦点。
语法
- selectObject.blur()
实例
下面的例子可设置或从下拉列表移开焦点:
- <html>
- <head>
- <script type="text/javascript">
- function setFocus()
- {
document.getElementById('select1').focus()
- }
- function loseFocus()
- {
document.getElementById('select1').blur()
- }
- </script>
- </head>
- <body>
- <form>
- <select id="select1">
- <option>Apple</option>
- <option>Pear</option>
- <option>Banana</option>
- <option>Orange</option>
- </select>
- <br /><br />
- <input type="button" onclick="setFocus()" value="Set focus" />
- <input type="button" onclick="loseFocus()" value="Lose focus" />
- </form>
- </body>
- </html>