test to detect if you change window code example
Example: window change detect
// listen for window reload or part of the page reload
var oldHref = document.location.href;
window.onload = function() {
var bodyList = document.querySelector("body")
,observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (oldHref != document.location.href) {
oldHref = document.location.href;
/* Changed ! your code here */
}
});
});
var config = {
childList: true,
subtree: true
};
observer.observe(bodyList, config);
};