This function was introduced in Textbox.io release 1.3.1.

Identify whether Textbox.io supports the current browser.

If this API returns false, all other APIs except version will throw an exception.

Example

// Identify whether Textbox.io is supported on this browser
var supported = textboxio.isSupported();

Returns

textboxio.isSupportedBoolean

Whether or not the browser is supported