How to store FileList object inside Vue data

How to store FileList object inside Vue data



Hello im trying to store a FileList object inside vue data object but it's being stored as string "File"



Im adding a ref to html like this


<input type="file" @change="fileChange($event.target)">



And in the javascript


new Vue(
el: '#someEl',
data:
file: null
,
methods:
fileChange (file)
this.file = file.files[0]


)



As a result i get this:
Result



enter image description here





this.file=e.target.files[0] & @change="fileChange($event)" should work
– Helping hand
Aug 24 at 17:17


this.file=e.target.files[0]


@change="fileChange($event)"





Don't know vue, nor this console output, but are you sure this is a string? That would be a really strange string output ([object File] would be more expected here). Also, notpicking, but it is a File objevt you are trying to store here. The FileList is the object above.
– Kaiido
Aug 25 at 10:03



[object File]





@Helpinghand that didn't work either :( it is still stored as [object File]
– Madtin
Aug 27 at 8:59





@Kaiido yes It's stored as [object File] when I double click it. the console Its because It's the vue developer tools.
– Madtin
Aug 27 at 8:59




1 Answer
1



You need to just pass argument $event to fileChange() instead of $event.target.

Now you can access file object using evt.target.files[0]; inside fileChange() function.


$event


fileChange()


$event.target


evt.target.files[0];


fileChange()




var vm = new Vue(
el: '#app',
data:
file:
,
methods:
fileChange (evt)
this.file = evt.target.files[0];
console.log('file Object:==>',this.file);



);


<script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js" type="text/javascript"></script>

<div id="app">


<p>
<input type="file" @change="fileChange($event)">
name: <b>file.name</b>
</p>
<p>
size: <b>file.size </b>
& type: <b>file.type</b>
</p>
</div>






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