小编use*_*036的帖子

好吧,我有这个代码:

http://jsfiddle.net/hv9gB/3/

    (function() {

    var img = document.getElementById('my_image');

    // Original
    var width, height;

    // Display
    var d_width = img.width;
    var d_height = img.height;

    var updateDetail = function() {
        document
            .getElementById('display_size')
            .innerHTML = 'Display Size: ' + d_width + ' x ' + d_height;

        document
            .getElementById('native_size')
            .innerHTML = 'Original Size: ' + width + ' x ' + height;
    };

    // Using naturalWidth/Height
    if (img.naturalWidth) {
        width = img.naturalWidth;
        height = img.naturalHeight;

        updateDetail();
    } else {
        // Using an Image Object …