Live detect and print browser/iframe resolution with jQuery and JavaScript

by katalin_2003

HTML

<!-- JavaScript -->
<p>
    <strong>JavaScript resize:</strong>
    <span id="jsWidth">0</span> x
    <span id="jsHeight">0</span>
</p>
<br/>

<!-- jQuery -->
<p>
    <strong>jQuery resize:</strong><br />
    Width: <span id="jqWidth">0</span>
    <br />Height: <span id="jqHeight">0</span>
</p>

JavaScript

// JavaScript
function jsUpdateSize(){
    // Get the dimensions of the viewport
    var width = window.innerWidth ||
                document.documentElement.clientWidth ||
                document.body.clientWidth;
    var height = window.innerHeight ||
                 document.documentElement.clientHeight ||
                 document.body.clientHeight;

    document.getElementById('jsWidth').innerHTML = width;
    document.getElementById('jsHeight').innerHTML = height;
};
window.onload = jsUpdateSize;       // When the page first loads
window.onresize = jsUpdateSize;     // When the browser changes size

// jQuery
function jqUpdateSize(){
    // Get the dimensions of the viewport
    var width = $(window).width();
    var height = $(window).height();

    $('#jqWidth').html(width);
    $('#jqHeight').html(height);
};
$(document).ready(jqUpdateSize);    // When the page first loads
$(window).resize(jqUpdateSize);     // When the browser changes size