/*! { "name": "postMessage", "property": "postmessage", "caniuse": "x-doc-messaging", "notes": [{ "name": "W3C Spec", "href": "https://www.w3.org/TR/webmessaging/#crossDocumentMessages" }], "polyfills": ["easyxdm", "postmessage-jquery"], "knownBugs": ["structuredclones - Android 2&3 can not send a structured clone of dates, filelists or regexps"], "warnings": ["Some old WebKit versions have bugs. Stick with object, array, number and pixeldata to be safe."] } !*/ /* DOC Detects support for the `window.postMessage` protocol for cross-document messaging. `Modernizr.postmessage.structuredclones` reports if `postMessage` can send objects. */ define(['Modernizr'], function( Modernizr ) { var bool = true; try { window.postMessage({ toString: function () { bool = false; } }, '*'); } catch (e) {} Modernizr.addTest('postmessage', new Boolean('postMessage' in window)); Modernizr.addTest('postmessage.structuredclones', bool); });