Get page load time via Javascript and jQuery

web-snippet-038 ( Get page load time via Javascript and jQuery )

//calculate the time before calling the function in window.onload
var beforeload = (new Date()).getTime();

function getPageLoadTime(){
        //calculate the current time in afterload
        var afterload = (new Date()).getTime();
        // now use the beforeload and afterload to calculate the seconds
        seconds = (afterload-beforeload) / 1000;
        // Place the seconds in the innerHTML to show the results
        $("#load_time").text('Page load time ::  ' + seconds + ' sec(s).');
}

window.onload = getPageLoadTime;