1. 多次選擇相同的路徑時，chooser.onchange 事件不觸發

參考鏈接

Choosing the same directory multiple times

Once the chooser has been used to select a directory (or the same file path + file name), the change event will not fire again since the value of the input is already set with the same value. For example, if a user is expected to select a directory to export a file to, if they choose the same directory multiple times, the change event will one fire once. This is only an issue if the selected value may potentially be the same multiple times, i.e. in the case of selecting an output directory.

In this case, re-setting the value of the input can ensure that the change event will always fire in subsequent selections.

jQuery

<script> function chooseFile(name) { var chooser = $(name); chooser.change(function(evt) { console.log($(this).val()); // Reset the selected value to empty ('') $(this).val(''); }); chooser.trigger('click'); } chooseFile('#fileDialog'); </script>

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轉載于:https://www.cnblogs.com/JosephLiao/p/4538165.html

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