我在这个页面上有一个表单:
$(document).ready(function() {
$(document).on('change', '.multi-file-upload', function() {
console.log("change triggered");
})
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<form enctype="multipart/form-data" action="/court_records/import" accept-charset="UTF-8" method="post"><input name="utf8" type="hidden" value="✓"><input type="hidden" name="authenticity_token" value="zljqBRnDYPeLyyNJi+BNeEqHsmtDVTBMoq3NO963Kq5I+p2YM9OMp2dCEN75w==">
<input type="file" name="file" id="file" multiple="multiple" class="multi-file-upload">
<input type="submit" name="commit" value="Submit">
</form>
如何在从浏览器上的返回按钮加载页面时触发更改事件?