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[英]How can I set the value of an hidden input tag with the value of the selected option of a select tag using JavaScript\JQuery?
[英]How can I set the value of a hidden input field using Jquery?
我試圖將隱藏輸入字段的值設置為與單擊鏈接的值相同。
這是我嘗試的不起作用:
$(document).ready(function(){
$(".delete_link").click(function(){
var deleteID = $(this).attr("data-value");
$("#delete_value").attr("value") = deleteID;
});
});
正確設置了變量deleteID
。
以及參考表格:
<form name="delete_form" action="delete_post.php" method="POST">
<p>Please confirm you want to delete this post.</p>
<input type="submit" id="delete_submit" name="delete_submit" value="confirm" />
<input type="hidden" id="delete_value" value="" />
</form>
使用val方法
$("#delete_value").val(deleteID);
同樣對於數據屬性,您可能想使用數據方法
$(this).data('value');
鏈接:
對於所有表單元素,您需要使用.val()
:
$("#delete_value").val(deleteID);
您的完整示例( http://jsfiddle.net/79HEY/ ):
HTML
<form id="deleteform" action="delete_post.php" method="POST">
<p>Please confirm you want to delete this post.</p>
<input type="submit" data-id="100" id="delete_submit" name="delete_submit" value="confirm" />
<input type="hidden" id="delete_value" value="" />
</form>
JavaScript的
$(document).ready(function(){
$("#deleteform").submit(function(){
var deleteID = $("#delete_submit").data("id");
$("#delete_value").val(deleteID);
return true;
});
});
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