DOM:window.navigator.onLine

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« Gecko DOM Reference

Contents 1 Summary 2 Syntax 3 Example 4 Notes 5 Specification

[edit] Summary

Returns a boolean value indicating whether the browser is online or not.

[edit] Syntax

online = window.navigator.onLine;

• online is a boolean true or false.

[edit] Example

alert(navigator.onLine ? "You're online" : "You're offline");

[edit] Notes

See Online/Offline Events‎ for a more detailed description of this property as well as new offline-related features introduced in Firefox 3.

[edit] Specification

DOM Level 0. Not part of any standard.

Described in the HTML 5 Working draft