Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The PluginArray interface is used to store a list of Plugin objects describing the available plugins; it's returned by the navigator.plugins property. The PluginArray is not a JavaScript array, but has the length property and supports accessing individual items using bracket notation (plugins[2]), as well as via item(index) and namedItem("name") methods.
Note: Own properties of PluginArray objects are no longer enumerable in the latest browser versions.
The following example function returns the version of the Shockwave Flash plugin.
const pluginsLength = navigator.plugins.length;
document.body.innerHTML =
`${pluginsLength} Plugin(s)<br>` +
`<table id="pluginTable"><thead>` +
`<tr><th>Name</th><th>Filename</th><th>description</th><th>version</th></tr>` +
`</thead><tbody></tbody></table>`;
const table = document.getElementById("pluginTable");
for (let i = 0; i < pluginsLength; i++) {
let newRow = table.insertRow();
newRow.insertCell().textContent = navigator.plugins[i].name;
newRow.insertCell().textContent = navigator.plugins[i].filename;
newRow.insertCell().textContent = navigator.plugins[i].description;
newRow.insertCell().textContent = navigator.plugins[i].version ?? "";
}
The following example displays information about the installed plugin(s).
const pluginsLength = navigator.plugins.length;
document.write(
`${pluginsLength.toString()} Plugin(s)<br>` +
`Name | Filename | description<br>`,
);
for (let i = 0; i < pluginsLength; i++) {
document.write(
`${navigator.plugins[i].name} | ${navigator.plugins[i].filename} | ${navigator.plugins[i].description} | ${navigator.plugins[i].version}<br>`,
);
}
In addition to listing each plugin as a pseudo-array by zero-indexed numeric properties, Firefox provides properties that are the plugin name directly on the PluginArray object.