How to detect if URL has changed after hash in JavaScript

Question

How can I check if a URL has changed in JavaScript? For example, websites like GitHub, which use AJAX, will append page information after a # symbol to create a unique URL w

Answer 1

this solution worked for me:

var oldURL = "";
var currentURL = window.location.href;
function checkURLchange(currentURL){
    if(currentURL != oldURL){
        alert("url changed!");
        oldURL = currentURL;
    }

    oldURL = window.location.href;
    setInterval(function() {
        checkURLchange(window.location.href);
    }, 1000);
}

checkURLchange();