JS: jQuery 处理图片尺寸 | set img size

js-img-size.js

// jQuery 处理图片尺寸
$(window).bind("load", function() {
  $('#imglist img').each(function() {
    var maxWidth = 120;
    var maxHeight = 120;
    var ratio = 0;
    var width = $(this).width();
    var height = $(this).height();

    if (width > maxWidth) {
      ratio = maxWidth / width;
      $(this).css("width", maxWidth);
      $(this).css("height", height * ratio);
      height = height * ratio;
    }

    if (height > maxHeight) {
      ratio = maxHeight / height;
      $(this).css("height", maxHeight);
      $(this).css("width", width * ratio);
      width = width * ratio;
    }
  });
});