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The disabled property sets or returns whether or not the drop-down list should be disabled.
disabled属性可设置或返回下拉列表的状态
selectObject.disabled=true|false |
<html> <head> <script type="text/javascript"> function disable() { document.getElementById("mySelect").disabled=true } function enable() { document.getElementById("mySelect").disabled=false } </script> </head> <body> <form> <select id="mySelect"> <option>Apple</option> <option>Pear</option> <option>Banana</option> <option>Orange</option> </select> <input type="button" onclick="disable()" value="Disable list"> <input type="button" onclick="enable()" value="Enable list"> </form> </body> </html> |
Disable and enable a dropdown list
禁用和启用下拉列表