Get Dimensions of hidden elements

Get Dimensions of hidden elements

by sen_wang

HTML

<div id="node">
  <p>
    hello world
  </p>
</div>

CSS

#node {
    display: none;
}

JavaScript

(function ($) {
$.fn.getHiddenDimensions = function (include_margin) {
    var $item = this,
    props = { position: 'absolute', visibility: 'hidden', display: 'block' },
    dim = { width: 0, height: 0, innerWidth: 0, innerHeight: 0, outerWidth: 0, outerHeight: 0 },
    $hiddenParents = $item.parents().addBack().not(':visible'),
    includeMargin = (include_margin == null) ? false : include_margin;

    var oldProps = [];
    $hiddenParents.each(function () {
        var old = {};

        for (var name in props) {
            old[name] = this.style[name];
            this.style[name] = props[name];
        }

        oldProps.push(old);
    });

    dim.width = $item.width();
    dim.outerWidth = $item.outerWidth(includeMargin);
    dim.innerWidth = $item.innerWidth();
    dim.height = $item.height();
    dim.innerHeight = $item.innerHeight();
    dim.outerHeight = $item.outerHeight(includeMargin);

    $hiddenParents.each(function (i) {
        var old = oldProps[i];
        for (var name in props) {
            this.style[name] = old[name];
        }
    });

    return dim;
}
}($));
alert($('#node p').getHiddenDimensions().width);