Demostration of getting query string values from URL

Get query string value from URL

<script>
    function getQueryVariable(variable) {
        var query = window.location.search.substring(1);
        var vars = query.split("&amp;");
        for (var i=0;i&lt;vars.length;i++) {
            var pair = vars[i].split("=");
            if (pair[0] == variable) {
              return pair[1];
            }
       }
    alert('Query Variable ' + variable + ' not found');
    }
</script>
 
// To test, make a request to page.html?x=Hello
 
<script>
     alert( getQueryVariable(“x”) );
</script>