[英]How to set placeholder first in Select2
如何首先設置占位符而不是Select2中的默認值
我在這里有這個HTML代碼:
<select class = "select2" style = "width:100%" id = "selectme">
<option value = "oldest"> Person 1</option>
<option value = "oldest"> Person 2</option>
<option value = "oldest"> Person 3</option>
</select>
和SelectView的Jquery在這里:
$("#selectme").select2({
placeholder: "Assign to:",
allowClear:true
});
Select2文檔中的示例適用於首先將占位符設置為默認值。 但在我的情況下,默認值是Person 1而不是占位符。 為什么?
要使占位符正常工作,您需要將一個空選項添加到選擇列表中,如:
<select class="select2" style="width:100%" id="selectme">
<option value=""></option>
<option value="oldest">Person 1</option>
<option value="oldest">Person 2</option>
<option value="oldest">Person 3</option>
</select>
如果您的原始代碼沒有關閉標記,那么您的HTML代碼似乎不正確:
<select class = "select2" style = "width:100%" id = "selectme">
<option value = "oldest"> Person 1</option>
<option value = "oldest"> Person 2</option>
<option value = "oldest"> Person 3</option>
</select>
HTML
<select class="select2" style="width:100%" id="selectme">
<option value=""></option>
<option value="oldest">Person 1</option>
<option value="oldest">Person 2</option>
<option value="oldest">Person 3</option>
</select>
jQuery的
$(".select2").select2({
placeholder: "change your placeholder"
});
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