Question

如何用js让下拉菜单失效?

<select id="Select1" disabled="disabled">
<option selected="Selected">1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
</select>
设置disabled属性,用js如何设置?

Answer 1

<select id="Select1">
<option selected="Selected">1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
</select>
<button onclick="disable();">disable</button>
<script type="text/javascript">
function disable(){
document.getElementById("Select1").disabled=true;
}
</script>