javascript Jquery 更改事件不起作用
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Jquery change event not working
提问by Codegiant
I have html:
我有 html：
<form id="fileuploadform">
<input type="file" id="fileupload" name="fileupload" />
</form>
and jquery:
和jQuery：
$(':file').change(function(){
var file = this.files[0];
...
});
The problem is: the change function fires only when the file selection is different than the selection made previously. That is of course the meaning of the 'change' event. I want my function to be called with the file dialog closes, no matter what.
问题是：仅当文件选择与之前所做的选择不同时，更改功能才会触发。这当然是“更改”事件的含义。无论如何，我希望在文件对话框关闭时调用我的函数。
I tried using 'select' event -- it never gets called
我尝试使用“选择”事件——它永远不会被调用
I also tried:
我也试过：
$(':file').bind('dialogclose', function(event) {
alert('closed');
});
and:
和：
$(':file').live("dialogclose", function(){
alert('closed1');
});
They didn't work either.
他们也没有工作。
采纳答案by SanketS
try to use this code.
尝试使用此代码。
$('#fileupload').on('change', function () {
alert('Hi');
//do your function.
});
this function will call only you select different files otherwise not.
这个函数只会调用你选择不同的文件，否则不会。
回答by Ivan Town
I know this is an old post, but try using 'input' instead of 'change'. Worked for me. :)
我知道这是一篇旧帖子，但请尝试使用“输入”而不是“更改”。对我来说有效。:)
$('#fileupload').on('input', function () {
alert('Hi');
});
回答by Umashankar
I have faced the same issues when I used to work with jQuery dynamic appended HTML.
当我使用 jQuery 动态附加 HTML 时，我遇到了同样的问题。
I would suggest you to use the below solution
我建议您使用以下解决方案
$(document).on('input','#fileupload', function () {
console.log('Your Code')
});
