The read-only FileList
length
property returns the number of files in the FileList
.
The read-only FileList
length
property returns the number of files in the FileList
.
A number indicating the number of files in the list.
In this example, we use length
to find the number of items in the FileList
.
html
<input type="file" multiple /> <div class="output"></div>
js
const fileInput = document.querySelector("input[type=file]"); const output = document.querySelector(".output"); fileInput.addEventListener("change", () => { const fileList = fileInput.files; output.textContent = `You've selected: ${fileList.length} file(s)`; });
Specification |
---|
File API # dfn-length |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
length |
2 | 12 | 3 | 10 | 11.1 | 4 | ≤37 | 18 | 4 | 11.1 | 3.2 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/FileList/length