Detects the language of the provided text using the Compact Language Detector (CLD).
This is an asynchronous function that returns a Promise.
Syntax
var detectingLanguages = browser.i18n.detectLanguage( text // string )
Parameters
textstring. User input string to be translated.
Return value
A Promise that will be fulfilled with a result object. The result object has two properties:
isReliableboolean. Whether the language was detected reliably.languagesarrayof objects, each of which has two properties:-
languagei18n.LanguageCode. The detected language.percentageinteger. The percentage of the input string that was in the detected language.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||
|---|---|---|---|---|---|
detectLanguage | Chrome Full support 47 | Edge Full support 79 | Firefox Full support 47 | Opera Full support 34 | Firefox Android Full support 48 |
Legend
- Full support
- Full support
Examples
function onLanguageDetected(langInfo) {
for (lang of langInfo.languages) {
console.log("Language is: " + lang.language);
console.log("Percentage is: " + lang.percentage);
}
}
var text = "L'homme est né libre, et partout il est dans les fers."
var detecting = browser.i18n.detectLanguage(text);
detecting.then(onLanguageDetected);
Acknowledgements
This API is based on Chromium's chrome.i18n API. This documentation is derived from i18n.json in the Chromium code.
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
// Copyright 2015 The Chromium Authors. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.