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If you are looking to style a file input element, look at open file dialog box in javascript. If you are looking to grab the files associated with a file input element, you must do something like this: inputElement. onchange = function(event) { var fileList = inputElement.
The full filename is first obtained by selecting the file input and getting its value property. This returns the filename as a string. By the help of split() method, we will split the filename into 2 parts. The first part will be the filename and the second part will be the extension of the file.
You can give the input element a font opacity of 0. This will hide the text field without hiding the 'Choose Files' button.
The <input type="hidden"> defines a hidden input field. A hidden field lets web developers include data that cannot be seen or modified by users when a form is submitted. A hidden field often stores what database record that needs to be updated when the form is submitted.
If you are looking to style a file input element, look at open file dialog box in javascript. If you are looking to grab the files associated with a file input element, you must do something like this:
inputElement.onchange = function(event) {
var fileList = inputElement.files;
//TODO do something with fileList.
}
See this MDN article for more info on the FileList type.
Note that the code above will only work in browsers that support the File API. For IE9 and earlier, for example, you only have access to the file name. The input element has no files property in non-File API browsers.
Based on Ray Nicholus's answer :
inputElement.onchange = function(event) {
var fileList = inputElement.files;
//TODO do something with fileList.
}
using this will also work :
inputElement.onchange = function(event) {
var fileList = event.target.files;
//TODO do something with fileList.
}
Above answers are pretty sufficient. Additional to the onChange, if you upload a file using drag and drop events, you can get the file in drop event by accessing eventArgs.dataTransfer.files.
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