//listen for window resize event window.addEventListener('resize', function(event){ var newWidth = window.innerWidth; var newHeight = window.innerHeight; });

js window resize listener

// 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); };

window change detect

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