HTML DOM Invoer FileUpload Object
Voer FileUpload-objek in
Die Input FileUpload-objek verteenwoordig 'n HTML <input>-element met type="file".
Toegang tot 'n invoerlêer-oplaai-objek
Jy kan toegang tot 'n <input> element met type="file" kry deur getElementById():
Voorbeeld
var x = document.getElementById("myFile");
Wenk: Jy kan ook toegang tot <input type="file"> kry deur deur die elementversameling van 'n vorm te soek.
Skep 'n Invoer FileUpload-objek
Jy kan 'n <input> element met type="file" skep deur die document.createElement() metode te gebruik:
Voorbeeld
var x = document.createElement("INPUT");
x.setAttribute("type", "file");
Voer FileUpload Object Properties in
Property | Description |
---|---|
accept | Sets or returns the value of the accept attribute of the file upload button |
autofocus | Sets or returns whether a file upload button should automatically get focus upon page load |
defaultValue | Sets or returns the default value of the file upload button |
disabled | Sets or returns whether the file upload button is disabled, or not |
files | Returns a FileList object that represents the file or files selected with the file upload button |
form | Returns a reference to the form that contains the file upload button |
multiple | Sets or returns whether a user is allowed to select more than one file in the file upload field |
name | Sets or returns the value of the name attribute of the file upload button |
required | Sets or returns whether a file in the file upload field must be selected before submitting a form |
type | Returns which type of form element the file upload button is |
value | Returns the path or the name of the selected file |
Standaard eiendomme en geleenthede
Die Input FileUpload-objek ondersteun ook die standaard eienskappe en gebeurtenisse .
Verwante bladsye
HTML-tutoriaal: HTML-vorms
HTML-verwysing: HTML <input> tag
HTML verwysing: HTML <invoer> tipe kenmerk