javascript detect resize code example

Example 1: check window resize javascript

window.addEventListener("resize", () => {
		// CODE
});

Example 2: javascript resize event

window.resize = event => {
  // Code here
};

Example 3: 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);
};

Example 4: detect resize window javascript

window.addEventListener('resize', functionName);