window.addEventListener('message', receiveMessage, false);
function receiveMessage(event) {
if (typeof event.data.msg === 'string' && event.data.msg.indexOf('StroeerScrollPostMessage') !== -1) {
/*
postMessage comes from Stroeer sitebar / following variables can be used:
@param msg - @returns custom string which can be used to check postMessage source
@param yPos - @returns the pixels the current document has been scrolled (pageYOffset)
@param siteHeight - @returns the browser window's height (NOT including toolbars/scrollbars)
*/
} else {
/* postMessage is not sent from the Stroeer sitebar */
}
} |